5j+7=2j-8

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Solution for 5j+7=2j-8 equation: 



5j+7=2j-8

We move all terms to the left:

5j+7-(2j-8)=0

We get rid of parentheses

5j-2j+8+7=0

We add all the numbers together, and all the variables

3j+15=0

We move all terms containing j to the left, all other terms to the right

3j=-15

j=-15/3

j=-5

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