3(2z+7)-(5-2z)=2*(-2)

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Solution for 3(2z+7)-(5-2z)=2*(-2) equation:



3(2z+7)-(5-2z)=2(-2)
We move all terms to the left:
3(2z+7)-(5-2z)-(2(-2))=0
We add all the numbers together, and all the variables
3(2z+7)-(-2z+5)-(2(-2))=0
We add all the numbers together, and all the variables
3(2z+7)-(-2z+5)+4=0
We multiply parentheses
6z-(-2z+5)+21+4=0
We get rid of parentheses
6z+2z-5+21+4=0
We add all the numbers together, and all the variables
8z+20=0
We move all terms containing z to the left, all other terms to the right
8z=-20
z=-20/8
z=-2+1/2

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