-162=5(8+5a)-2

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Solution for -162=5(8+5a)-2 equation: 



-162=5(8+5a)-2

We move all terms to the left:

-162-(5(8+5a)-2)=0

We add all the numbers together, and all the variables

-(5(5a+8)-2)-162=0



We calculate terms in parentheses: -(5(5a+8)-2), so:

5(5a+8)-2

We multiply parentheses

25a+40-2

We add all the numbers together, and all the variables

25a+38

Back to the equation:

-(25a+38)



We get rid of parentheses

-25a-38-162=0

We add all the numbers together, and all the variables

-25a-200=0

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

-25a=200

a=200/-25

a=-8

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