-10a-4(2a+1)=15a-(3-a)

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Solution for -10a-4(2a+1)=15a-(3-a) equation: 



-10a-4(2a+1)=15a-(3-a)

We move all terms to the left:

-10a-4(2a+1)-(15a-(3-a))=0

We add all the numbers together, and all the variables

-10a-4(2a+1)-(15a-(-1a+3))=0

We multiply parentheses

-10a-8a-(15a-(-1a+3))-4=0



We calculate terms in parentheses: -(15a-(-1a+3)), so:

15a-(-1a+3)

We get rid of parentheses

15a+1a-3

We add all the numbers together, and all the variables

16a-3

Back to the equation:

-(16a-3)



We add all the numbers together, and all the variables

-18a-(16a-3)-4=0

We get rid of parentheses

-18a-16a+3-4=0

We add all the numbers together, and all the variables

-34a-1=0

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

-34a=1

a=1/-34

a=-1/34

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