2(a-7)-5a=7

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



2(a-7)-5a=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-5a+2a-14-7=0

We add all the numbers together, and all the variables

-3a-21=0

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

-3a=21

a=21/-3

a=-7

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