2-5a=7(2-a)

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



2-5a=7(2-a)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-5a-(7(-1a+2))+2=0



We calculate terms in parentheses: -(7(-1a+2)), so:

7(-1a+2)

We multiply parentheses

-7a+14

Back to the equation:

-(-7a+14)



We get rid of parentheses

-5a+7a-14+2=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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