21-(3x+8)=

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


21-(3x+8)=0

We simplify the equation to the form, which is simple to understand 
21-(3x+8)=0

Remove unnecessary parentheses
21-3x-8=0

We move all terms containing x to the left and all other terms to the right. 
-3x=0-21+8

We simplify left and right side of the equation. 
-3x=-13

We divide both sides of the equation by -3 to get x. 
x=4.33333333333

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