130=-5(4-5a)

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Solution for 130=-5(4-5a) equation: 



130=-5(4-5a)

We move all terms to the left:

130-(-5(4-5a))=0

We add all the numbers together, and all the variables

-(-5(-5a+4))+130=0



We calculate terms in parentheses: -(-5(-5a+4)), so:

-5(-5a+4)

We multiply parentheses

25a-20

Back to the equation:

-(25a-20)



We get rid of parentheses

-25a+20+130=0

We add all the numbers together, and all the variables

-25a+150=0

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

-25a=-150

a=-150/-25

a=+6

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