400=8(1+7x)

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Solution for 400=8(1+7x) equation:


400=8 (1+7x)

We simplify the equation to the form, which is simple to understand 
400=8(1+7x)

Reorder the terms in parentheses
400=+(+8+56x)

Remove unnecessary parentheses
+400=+8+56x

We move all terms containing x to the left and all other terms to the right. 
-56x=+8-400

We simplify left and right side of the equation. 
-56x=-392

We divide both sides of the equation by -056 to get x. 
x=7

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