7(x+3)=7x-4

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Solution for 7(x+3)=7x-4 equation:


7(x+3)=7x-4

We simplify the equation to the form, which is simple to understand 
7(x+3)=7x-4

Reorder the terms in parentheses
+(+7x+21)=7x-4

Remove unnecessary parentheses
+7x+21=+7x-4

We move all terms containing x to the left and all other terms to the right. 
+7x-7x=-4-21

We simplify left and right side of the equation. 
0x=-25

0=-25

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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