3=2(a-7)-5

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Solution for 3=2(a-7)-5 equation: 



3=2(a-7)-5

We move all terms to the left:

3-(2(a-7)-5)=0



We calculate terms in parentheses: -(2(a-7)-5), so:

2(a-7)-5

We multiply parentheses

2a-14-5

We add all the numbers together, and all the variables

2a-19

Back to the equation:

-(2a-19)



We get rid of parentheses

-2a+19+3=0

We add all the numbers together, and all the variables

-2a+22=0

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

-2a=-22

a=-22/-2

a=+11

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