4(21-x)+2x=68

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Solution for 4(21-x)+2x=68 equation: 



4(21-x)+2x=68

We move all terms to the left:

4(21-x)+2x-(68)=0

We add all the numbers together, and all the variables

4(-1x+21)+2x-68=0

We add all the numbers together, and all the variables

2x+4(-1x+21)-68=0

We multiply parentheses

2x-4x+84-68=0

We add all the numbers together, and all the variables

-2x+16=0

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

-2x=-16

x=-16/-2

x=+8

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