2*(-2)-3(-1)=-7

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Solution for 2*(-2)-3(-1)=-7 equation:


2*(-2)-3(-1)=-7

We simplify the equation to the form, which is simple to understand 
2*(-2)-3(-1)=-7

Reorder the terms in parentheses
+(-4)-3*(-1)=-7

Remove unnecessary parentheses
-4-3+*(-1+)=-7

Reorder the terms in parentheses
-4+(+3)=-7

Remove unnecessary parentheses
-4+3=-7

We move all terms containing  to the left and all other terms to the right. 
0=-7+4-3

We simplify left and right side of the equation. 
0=-6

0=-6

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

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