21=1/2(4x+10)

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Solution for 21=1/2(4x+10) equation:


21=1/2(4x+10)

We simplify the equation to the form, which is simple to understand 
21=1/2(4x+10)

Reorder the terms in parentheses
21=+(+2x+5)

Remove unnecessary parentheses
+21=+2x+5

We move all terms containing x to the left and all other terms to the right. 
-2x=+5-21

We simplify left and right side of the equation. 
-2x=-16

We divide both sides of the equation by -02 to get x. 
x=8

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