-7x+12=4x+45

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Solution for -7x+12=4x+45 equation: 



-7x+12=4x+45

We move all terms to the left:

-7x+12-(4x+45)=0

We get rid of parentheses

-7x-4x-45+12=0

We add all the numbers together, and all the variables

-11x-33=0

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

-11x=33

x=33/-11

x=-3

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