7*(-7)-2*1=

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Solution for 7*(-7)-2*1= equation:


7*(-7)-2*1=0

We simplify the equation to the form, which is simple to understand 
7*(-7)-2*1=0

Reorder the terms in parentheses
+(-49)-2=0

Remove unnecessary parentheses
-49-2=0

We move all terms containing  to the left and all other terms to the right. 
0=0+49+2

We simplify left and right side of the equation. 
0=+51

0=51

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

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