15a-2(4a+5)=(-6a)

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Solution for 15a-2(4a+5)=(-6a) equation: 



15a-2(4a+5)=(-6a)

We move all terms to the left:

15a-2(4a+5)-((-6a))=0

We multiply parentheses

15a-8a-((-6a))-10=0



We calculate terms in parentheses: -((-6a)), so:

(-6a)

We get rid of parentheses

-6a

Back to the equation:

-(-6a)



We add all the numbers together, and all the variables

7a-(-6a)-10=0

We get rid of parentheses

7a+6a-10=0

We add all the numbers together, and all the variables

13a-10=0

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

13a=10

a=10/13

a=10/13

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