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Solve the equation.$4 a+9 a=39$...

Question

Solve the equation.$4 a+9 a=39$

Solve the equation. $4 a+9 a=39$



Answers

Solve the equation. $4 a+9 a=39$

Okay, so we're going to be solving this equation for Axe. And what we need to do is get X by itself, so we can see right now that X is being subtracted by four. So what we need to do is that inverse operation to get rid of for So we're gonna go ahead and add four on that side and what we do on one side of equal sign, we need to do the same thing to the other side of the equal. Sutton. So Mega four plus four cancel out and we can bring down our X. And now, on this side, we have nine plus four, which is 13. So that still is our final answer and tells us that X is equal to 13.

Okay, so we're solving this equation for our variable X, And the first thing we can see here is we have a plus four and a minus three. Let's go ahead and combine those so we'll carry down our X. And when we have plus four minus three, that gives us a positive one, cause four minus three is positive one. And then on this side of the equal sign, we still have our nine. Now to get X by itself, we currently have a plus one. We need to do the inverse operation of addition, which is subtraction. So we'll subtract one and what we do on one side of the equal sign we have to do on the other. So positive one cancels out with our negative one, we can bring down our X and then on the right side of equal sign, we have nine minus one, which is eight. And that's our final answer of X equals eight

So absolute value of four X plus three is nine. Since it's the absolute value, it can have two values inside. So four X plus three is nine. That's one answer for X Plus three. His negative nine. That could be another answer. So let's start solving so for X. So let's subtract three on both sides for excess six. So X is 6/4, which is 3/2. So that's one answer here for X is negative. 12 Negative 12 divided by four. That gives you negative three. So those are both your answers.

It is to give in. Pour a plus 25 acquittal night. Pour a subject minus 25 from both sides. So plus 25 minus 25 is a global nine minus 25. So this is our addition principle. In addition principle, we are adding minus 25 to cancel Blessed in the fight. It's a pleasure under fire my national file cancel each other is poor a equal toe nine minus 25 which is equal toe minus 16. Now multiply with one by for both sides to cancel four So for a in tow one by four people minus 16 times So one by four this is can say the multiplication principle of your religion Here Multiplication Principal one way for IHS reciprocal are a ship local off decks. We might reply with one by poor because no c four and four are cancelled Leper inside even ligaments and four for that 16 So a equal to minus four. So what do you find? It It equal to minus four now just sub suit able to minus four in the given question and find whether this correct or not so just replaced for a plus 25 is equal to nine. It is given you a port A plus 25 according nine. Now we're going to put X A minus four. So poor on minus four plus 25 equals +09 So what do fine port and four, which is going to minus 16 plus 25 equals nine, then minus six and plus don't define which called nine equal tonight. So that four, uh, equal to minus four, dissatisfying given situation. Therefore, the final answer it it 1/4 toe it equal to minus four. It's answer.


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