2(2a-5)+9=6a-(5-a)+7

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Solution for 2(2a-5)+9=6a-(5-a)+7 equation: 



2(2a-5)+9=6a-(5-a)+7

We move all terms to the left:

2(2a-5)+9-(6a-(5-a)+7)=0

We add all the numbers together, and all the variables

2(2a-5)-(6a-(-1a+5)+7)+9=0

We multiply parentheses

4a-(6a-(-1a+5)+7)-10+9=0



We calculate terms in parentheses: -(6a-(-1a+5)+7), so:

6a-(-1a+5)+7

We get rid of parentheses

6a+1a-5+7

We add all the numbers together, and all the variables

7a+2

Back to the equation:

-(7a+2)



We add all the numbers together, and all the variables

4a-(7a+2)-1=0

We get rid of parentheses

4a-7a-2-1=0

We add all the numbers together, and all the variables

-3a-3=0

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

-3a=3

a=3/-3

a=-1

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