4(10-9a)-8(a+5)=-7a+5a

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Solution for 4(10-9a)-8(a+5)=-7a+5a equation: 



4(10-9a)-8(a+5)=-7a+5a

We move all terms to the left:

4(10-9a)-8(a+5)-(-7a+5a)=0

We add all the numbers together, and all the variables

4(-9a+10)-8(a+5)-(-2a)=0

We multiply parentheses

-36a-8a-(-2a)+40-40=0

We get rid of parentheses

-36a-8a+2a+40-40=0

We add all the numbers together, and all the variables

-42a=0

a=0/-42

a=0

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