28-2(5a-3)=57

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Solution for 28-2(5a-3)=57 equation: 



28-2(5a-3)=57

We move all terms to the left:

28-2(5a-3)-(57)=0

We add all the numbers together, and all the variables

-2(5a-3)-29=0

We multiply parentheses

-10a+6-29=0

We add all the numbers together, and all the variables

-10a-23=0

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

-10a=23

a=23/-10

a=-2+3/10

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