(21)6-2(x+6)=3x+4

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Solution for (21)6-2(x+6)=3x+4 equation: 



(21)6-2(x+6)=3x+4

We move all terms to the left:

(21)6-2(x+6)-(3x+4)=0

We multiply parentheses

-2x-(3x+4)-12+216=0

We get rid of parentheses

-2x-3x-4-12+216=0

We add all the numbers together, and all the variables

-5x+200=0

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

-5x=-200

x=-200/-5

x=+40

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