9x+12=4x-13

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Solution for 9x+12=4x-13 equation: 



9x+12=4x-13

We move all terms to the left:

9x+12-(4x-13)=0

We get rid of parentheses

9x-4x+13+12=0

We add all the numbers together, and all the variables

5x+25=0

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

5x=-25

x=-25/5

x=-5

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