2(2a+5)-1=6(a-1)+3

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Solution for 2(2a+5)-1=6(a-1)+3 equation: 



2(2a+5)-1=6(a-1)+3

We move all terms to the left:

2(2a+5)-1-(6(a-1)+3)=0

We multiply parentheses

4a-(6(a-1)+3)+10-1=0



We calculate terms in parentheses: -(6(a-1)+3), so:

6(a-1)+3

We multiply parentheses

6a-6+3

We add all the numbers together, and all the variables

6a-3

Back to the equation:

-(6a-3)



We add all the numbers together, and all the variables

4a-(6a-3)+9=0

We get rid of parentheses

4a-6a+3+9=0

We add all the numbers together, and all the variables

-2a+12=0

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

-2a=-12

a=-12/-2

a=+6

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