-3(x+5)-3=-21

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Solution for -3(x+5)-3=-21 equation: 



-3(x+5)-3=-21

We move all terms to the left:

-3(x+5)-3-(-21)=0

We add all the numbers together, and all the variables

-3(x+5)+18=0

We multiply parentheses

-3x-15+18=0

We add all the numbers together, and all the variables

-3x+3=0

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

-3x=-3

x=-3/-3

x=1

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