21(8-4x)=2.75x

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Solution for 21(8-4x)=2.75x equation: 



21(8-4x)=2.75x

We move all terms to the left:

21(8-4x)-(2.75x)=0

We add all the numbers together, and all the variables

21(-4x+8)-(+2.75x)=0

We multiply parentheses

-84x-(+2.75x)+168=0

We get rid of parentheses

-84x-2.75x+168=0

We add all the numbers together, and all the variables

-86.75x+168=0

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

-86.75x=-168

x=-168/-86.75

x=1+65/69.4

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