-40-2=2(-7a+4)

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Solution for -40-2=2(-7a+4) equation: 



-40-2=2(-7a+4)

We move all terms to the left:

-40-2-(2(-7a+4))=0

We add all the numbers together, and all the variables

-(2(-7a+4))-42=0



We calculate terms in parentheses: -(2(-7a+4)), so:

2(-7a+4)

We multiply parentheses

-14a+8

Back to the equation:

-(-14a+8)



We get rid of parentheses

14a-8-42=0

We add all the numbers together, and all the variables

14a-50=0

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

14a=50

a=50/14

a=3+4/7

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