21=7(x-5)

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Solution for 21=7(x-5) equation:


21=7 (x-5)

We simplify the equation to the form, which is simple to understand 
21=7(x-5)

Reorder the terms in parentheses
21=+(+7x-35)

Remove unnecessary parentheses
+21=+7x-35

We move all terms containing x to the left and all other terms to the right. 
-7x=-35-21

We simplify left and right side of the equation. 
-7x=-56

We divide both sides of the equation by -07 to get x. 
x=8

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