-7-3(4+5x)=-21

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Solution for -7-3(4+5x)=-21 equation: 



-7-3(4+5x)=-21

We move all terms to the left:

-7-3(4+5x)-(-21)=0

We add all the numbers together, and all the variables

-3(5x+4)-7-(-21)=0

We add all the numbers together, and all the variables

-3(5x+4)+14=0

We multiply parentheses

-15x-12+14=0

We add all the numbers together, and all the variables

-15x+2=0

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

-15x=-2

x=-2/-15

x=2/15

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