-2=-2(a-10)+4

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Solution for -2=-2(a-10)+4 equation: 



-2=-2(a-10)+4

We move all terms to the left:

-2-(-2(a-10)+4)=0



We calculate terms in parentheses: -(-2(a-10)+4), so:

-2(a-10)+4

We multiply parentheses

-2a+20+4

We add all the numbers together, and all the variables

-2a+24

Back to the equation:

-(-2a+24)



We get rid of parentheses

2a-24-2=0

We add all the numbers together, and all the variables

2a-26=0

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

2a=26

a=26/2

a=13

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