3(-5y-2)=-21

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Solution for 3(-5y-2)=-21 equation: 



3(-5y-2)=-21

We move all terms to the left:

3(-5y-2)-(-21)=0

We add all the numbers together, and all the variables

3(-5y-2)+21=0

We multiply parentheses

-15y-6+21=0

We add all the numbers together, and all the variables

-15y+15=0

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

-15y=-15

y=-15/-15

y=1

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