0.2(2z+7)+6.4=0.7(2z-4)

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Solution for 0.2(2z+7)+6.4=0.7(2z-4) equation: 



0.2(2z+7)+6.4=0.7(2z-4)

We move all terms to the left:

0.2(2z+7)+6.4-(0.7(2z-4))=0

We multiply parentheses

0.4z-(0.7(2z-4))+1.4+6.4=0



We calculate terms in parentheses: -(0.7(2z-4)), so:

0.7(2z-4)

We multiply parentheses

1.4z-2.8

Back to the equation:

-(1.4z-2.8)



We add all the numbers together, and all the variables

0.4z-(1.4z-2.8)+7.8=0

We get rid of parentheses

0.4z-1.4z+2.8+7.8=0

We add all the numbers together, and all the variables

-1z+10.6=0

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

-z=-10.6

z=-10.6/-1

z=10+0.6/1

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