12z+4=2(2z-7)

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Solution for 12z+4=2(2z-7) equation: 



12z+4=2(2z-7)

We move all terms to the left:

12z+4-(2(2z-7))=0



We calculate terms in parentheses: -(2(2z-7)), so:

2(2z-7)

We multiply parentheses

4z-14

Back to the equation:

-(4z-14)



We get rid of parentheses

12z-4z+14+4=0

We add all the numbers together, and all the variables

8z+18=0

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

8z=-18

z=-18/8

z=-2+1/4

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