15-3(-x+5)=-21+6

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Solution for 15-3(-x+5)=-21+6 equation: 



15-3(-x+5)=-21+6

We move all terms to the left:

15-3(-x+5)-(-21+6)=0

We add all the numbers together, and all the variables

-3(-1x+5)+15-(-15)=0

We add all the numbers together, and all the variables

-3(-1x+5)+30=0

We multiply parentheses

3x-15+30=0

We add all the numbers together, and all the variables

3x+15=0

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

3x=-15

x=-15/3

x=-5

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