12z+4=2(5z+8)+-12

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Solution for 12z+4=2(5z+8)+-12 equation: 



12z+4=2(5z+8)+-12

We move all terms to the left:

12z+4-(2(5z+8)+-12)=0

We use the square of the difference formula

12z-(2(5z+8)-12)+4=0



We calculate terms in parentheses: -(2(5z+8)-12), so:

2(5z+8)-12

We multiply parentheses

10z+16-12

We add all the numbers together, and all the variables

10z+4

Back to the equation:

-(10z+4)



We get rid of parentheses

12z-10z-4+4=0

We add all the numbers together, and all the variables

2z=0

z=0/2

z=0

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