-2(a+5)-10=-2(a+10)

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Solution for -2(a+5)-10=-2(a+10) equation: 



-2(a+5)-10=-2(a+10)

We move all terms to the left:

-2(a+5)-10-(-2(a+10))=0

We multiply parentheses

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



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

-2(a+10)

We multiply parentheses

-2a-20

Back to the equation:

-(-2a-20)



We add all the numbers together, and all the variables

-2a-(-2a-20)-20=0

We get rid of parentheses

-2a+2a+20-20=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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