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Solve each equation. Check your solution.$$n+4.7=13.6$$...

Question

Solve each equation. Check your solution.$$n+4.7=13.6$$

Solve each equation. Check your solution. $$n+4.7=13.6$$



Answers

Solve each equation. Check your solution. $$n+4.7=13.6$$

All right, We need to solve this equation and check our answer. So we're gonna go ahead and write the equation. And while I'm writing it, I want to remind you we always want to undo things within verses. And whatever we do on one side, we need to do on the other side to keep the ballots. So I'm aiming to get in, which means everything attached to end has got to go. So right now, don't be fooled. It looks like I'm adding to end. But what I'm adding is a negative 14. So how do I get rid of a negative 14 while I do the opposite, which is add 14. And to keep my balance, I have to do that on the right as well. So the whole point of doing that is when I add them together. Negative. 14 and 14 go away. They're just zero. So I'm left with end on the left and then on the right. Negative. Six plus 14 is eight. So let's check. You can always check your answer. Always a good idea to do this. This is how you would know on a test if you were doing it correctly. So I just sub in that eight. And I ask myself, Is this true? It is so n equals eight.

All right on this problem, I need to solve and check again. So the problem they have given me is 4.3 n, and it's my variable I need to solve for plus one equals seven minus 1.7 n as usual. When I have terms on both sides, I want to get the same things on the same side. So I'm gonna go ahead and move my end to the left and my constant to the right. So I will add 1.7 end to both sides on the right. Those were gonna go away and I'll just have seven. Then I'll have 4.3 plus 1.7. That's 6 to 6 n plus one. Next I will subtract one, cause I want to try to unravel this left side until I get the end. By itself, so six and equal six. And then I will divide by six, and I end up getting in equals one. Okay, let's check to be sure that is true before we go ahead and claim it is true. So I'll do this on the side here, 4.3 times one plus one is equal to seven minus 1.7 times one. So 4.3 plus one is 5.3 is equal to seven, minus 1.7. Well, that is indeed 5.3. So this checks and n equals one is my solution.

So here I'm just gonna rewrite. What we have is three an equal to native 84 and I get this by distribution. Native eight, minus four. I'm sorry. There's no end. It's negative. Eight months for so now we can make this seven end equals negative. Eight. The way I do this is an ad for rent a boat, Something so seven and equals negative. Eight so and equals negative eight sounds. That's a solution, this question.

We have to solve the linear equation. Three plus stewing is equal to full en plus seven, so bringing the light turns to one side will bring foreign to the left inside and take three to the right in sight. So we get the equation, as do in minus foreign is equal to seven minus tree, which means minus to win is equal to four. Now, dividing both sides of the equation by minus two, we'll get in as equal to minus two. Therefore, the solution of the equation is N is equal to minus stoop.


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