0.4(4z+7)+6.7=0.5(4z-5)

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Solution for 0.4(4z+7)+6.7=0.5(4z-5) equation: 



0.4(4z+7)+6.7=0.5(4z-5)

We move all terms to the left:

0.4(4z+7)+6.7-(0.5(4z-5))=0

We multiply parentheses

1.6z-(0.5(4z-5))+2.8+6.7=0



We calculate terms in parentheses: -(0.5(4z-5)), so:

0.5(4z-5)

We multiply parentheses

2z-2.5

Back to the equation:

-(2z-2.5)



We add all the numbers together, and all the variables

1.6z-(2z-2.5)+9.5=0

We get rid of parentheses

1.6z-2z+2.5+9.5=0

We add all the numbers together, and all the variables

-0.4z+12=0

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

-0.4z=-12

z=-12/-0.4

z=+30

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