-7x-12=9x+3

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Solution for -7x-12=9x+3 equation: 



-7x-12=9x+3

We move all terms to the left:

-7x-12-(9x+3)=0

We get rid of parentheses

-7x-9x-3-12=0

We add all the numbers together, and all the variables

-16x-15=0

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

-16x=15

x=15/-16

x=-15/16

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