12=-4(2x-1)

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Solution for 12=-4(2x-1) equation: 



12=-4(2x-1)

We move all terms to the left:

12-(-4(2x-1))=0



We calculate terms in parentheses: -(-4(2x-1)), so:

-4(2x-1)

We multiply parentheses

-8x+4

Back to the equation:

-(-8x+4)



We get rid of parentheses

8x-4+12=0

We add all the numbers together, and all the variables

8x+8=0

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

8x=-8

x=-8/8

x=-1

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