7x+12=4x(5-4)

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Solution for 7x+12=4x(5-4) equation: 



7x+12=4x(5-4)

We move all terms to the left:

7x+12-(4x(5-4))=0

We add all the numbers together, and all the variables

7x-(4x1)+12=0

We add all the numbers together, and all the variables

3x+12=0

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

3x=-12

x=-12/3

x=-4

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