12=4(5-x)

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



12=4(5-x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(4(-1x+5))+12=0



We calculate terms in parentheses: -(4(-1x+5)), so:

4(-1x+5)

We multiply parentheses

-4x+20

Back to the equation:

-(-4x+20)



We get rid of parentheses

4x-20+12=0

We add all the numbers together, and all the variables

4x-8=0

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

4x=8

x=8/4

x=2

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