9x+4=7x-12

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Solution for 9x+4=7x-12 equation: 



9x+4=7x-12

We move all terms to the left:

9x+4-(7x-12)=0

We get rid of parentheses

9x-7x+12+4=0

We add all the numbers together, and all the variables

2x+16=0

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

2x=-16

x=-16/2

x=-8

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