-7(3x-9)=-21x-63

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Solution for -7(3x-9)=-21x-63 equation:


-7(3x-9)=-21x-63

We simplify the equation to the form, which is simple to understand 
-7(3x-9)=-21x-63

Reorder the terms in parentheses
+(-21x+63)=-21x-63

Remove unnecessary parentheses
-21x+63=-21x-63

We move all terms containing x to the left and all other terms to the right. 
-21x+21x=-63-63

We simplify left and right side of the equation. 
0x=-126

0=-126

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

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