-4=2(5-4a)

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Solution for -4=2(5-4a) equation: 



-4=2(5-4a)

We move all terms to the left:

-4-(2(5-4a))=0

We add all the numbers together, and all the variables

-(2(-4a+5))-4=0



We calculate terms in parentheses: -(2(-4a+5)), so:

2(-4a+5)

We multiply parentheses

-8a+10

Back to the equation:

-(-8a+10)



We get rid of parentheses

8a-10-4=0

We add all the numbers together, and all the variables

8a-14=0

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

8a=14

a=14/8

a=1+3/4

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