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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



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

(-1a+3)

We get rid of parentheses

-1a+3

Back to the equation:

-(-1a+3)



We add all the numbers together, and all the variables

-5a-(-1a+3)-9=0

We get rid of parentheses

-5a+1a-3-9=0

We add all the numbers together, and all the variables

-4a-12=0

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

-4a=12

a=12/-4

a=-3

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