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

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



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

We move all terms to the left:

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

We multiply parentheses

5a-2a-(7a-2)+10=0

We get rid of parentheses

5a-2a-7a+2+10=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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