-3(1x+4)-8x=21

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Solution for -3(1x+4)-8x=21 equation: 



-3(1x+4)-8x=21

We move all terms to the left:

-3(1x+4)-8x-(21)=0

We add all the numbers together, and all the variables

-3(x+4)-8x-21=0

We add all the numbers together, and all the variables

-8x-3(x+4)-21=0

We multiply parentheses

-8x-3x-12-21=0

We add all the numbers together, and all the variables

-11x-33=0

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

-11x=33

x=33/-11

x=-3

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