X+3x(-4)=(-20)

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Solution for X+3x(-4)=(-20) equation: 



X+3X(-4)=(-20)

We move all terms to the left:

X+3X(-4)-((-20))=0

We add all the numbers together, and all the variables

X+3X(-4)+20=0

We multiply parentheses

X-12X+20=0

We add all the numbers together, and all the variables

-11X+20=0

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

-11X=-20

X=-20/-11

X=1+9/11

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