2(a-1)=5(a+3)-5

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Solution for 2(a-1)=5(a+3)-5 equation: 



2(a-1)=5(a+3)-5

We move all terms to the left:

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

We multiply parentheses

2a-(5(a+3)-5)-2=0



We calculate terms in parentheses: -(5(a+3)-5), so:

5(a+3)-5

We multiply parentheses

5a+15-5

We add all the numbers together, and all the variables

5a+10

Back to the equation:

-(5a+10)



We get rid of parentheses

2a-5a-10-2=0

We add all the numbers together, and all the variables

-3a-12=0

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

-3a=12

a=12/-3

a=-4

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