-4=-2(a-5)

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



-4=-2(a-5)

We move all terms to the left:

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



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

-2(a-5)

We multiply parentheses

-2a+10

Back to the equation:

-(-2a+10)



We get rid of parentheses

2a-10-4=0

We add all the numbers together, and all the variables

2a-14=0

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

2a=14

a=14/2

a=7

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