| The
equation is 4x-13=35
So that means 4x needs to be by its self First of all, you are going to subtract -13 from both sides. Now the problem looks like this: 4x=48. Next, you divide 4x by both sides. So x=12. |
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The next equation is 41-2n=2+n. You are going to subtract 2 from both sides. Now it looks like 39-2n=n. So 2n needs to be on the side of the n. So add 2n to both sides. 39=3n. Next you divide 3n by both sides. So n=13. |
| In the last equation, the slope is 3 and it goes through (2,9). First you know that x =2 and y=9. So you plug those in. 9=m(2)+b. The equation gives you the slope so after you put that in the problem looks like this: 9=3(2)+b. Now you multiply the parenthesis first. So 9=6+b. Next you need b by itself so subtract 6 from both sides. The equation looks like 3=b. |
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