-191+9a=-6(a-15)+19

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Solution for -191+9a=-6(a-15)+19 equation: 



-191+9a=-6(a-15)+19

We move all terms to the left:

-191+9a-(-6(a-15)+19)=0



We calculate terms in parentheses: -(-6(a-15)+19), so:

-6(a-15)+19

We multiply parentheses

-6a+90+19

We add all the numbers together, and all the variables

-6a+109

Back to the equation:

-(-6a+109)



We get rid of parentheses

9a+6a-109-191=0

We add all the numbers together, and all the variables

15a-300=0

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

15a=300

a=300/15

a=20

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