18-2a=a-(5a-8)

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Solution for 18-2a=a-(5a-8) equation: 



18-2a=a-(5a-8)

We move all terms to the left:

18-2a-(a-(5a-8))=0



We calculate terms in parentheses: -(a-(5a-8)), so:

a-(5a-8)

We get rid of parentheses

a-5a+8

We add all the numbers together, and all the variables

-4a+8

Back to the equation:

-(-4a+8)



We get rid of parentheses

-2a+4a-8+18=0

We add all the numbers together, and all the variables

2a+10=0

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

2a=-10

a=-10/2

a=-5

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