0.4(4Z+5)+30.5=0.7(4z-5)

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Solution for 0.4(4Z+5)+30.5=0.7(4z-5) equation: 



0.4(4+5)+30.5=0.7(4Z-5)

We move all terms to the left:

0.4(4+5)+30.5-(0.7(4Z-5))=0

We add all the numbers together, and all the variables

-(0.7(4Z-5))+30.5+0.49=0

We add all the numbers together, and all the variables

-(0.7(4Z-5))+30.99=0



We calculate terms in parentheses: -(0.7(4Z-5)), so:

0.7(4Z-5)

We multiply parentheses

2.8Z-3.5

Back to the equation:

-(2.8Z-3.5)



We get rid of parentheses

-2.8Z+3.5+30.99=0

We add all the numbers together, and all the variables

-2.8Z+34.49=0

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

-2.8Z=-34.49

Z=-34.49/-2.8

Z=12+0.89000000000001/2.8

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