3x+7=1x-8

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Solution for 3x+7=1x-8 equation: 



3x+7=1x-8

We move all terms to the left:

3x+7-(1x-8)=0

We add all the numbers together, and all the variables

3x-(x-8)+7=0

We get rid of parentheses

3x-x+8+7=0

We add all the numbers together, and all the variables

2x+15=0

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

2x=-15

x=-15/2

x=-7+1/2

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