0.4(15a-10)=-(3a+10)

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Solution for 0.4(15a-10)=-(3a+10) equation: 



0.4(15a-10)=-(3a+10)

We move all terms to the left:

0.4(15a-10)-(-(3a+10))=0

We multiply parentheses

6a-(-(3a+10))-4=0



We calculate terms in parentheses: -(-(3a+10)), so:

-(3a+10)

We get rid of parentheses

-3a-10

Back to the equation:

-(-3a-10)



We get rid of parentheses

6a+3a+10-4=0

We add all the numbers together, and all the variables

9a+6=0

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

9a=-6

a=-6/9

a=-2/3

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