-3(7--15)=

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Solution for -3(7--15)= equation:


-3(7--15)=0

We simplify the equation to the form, which is simple to understand 
-3(7+15)=0

Simplifying terms in parentheses
-3*(+22)=0

Reorder the terms in parentheses
+(-66)=0

Remove unnecessary parentheses
-66=0

We move all terms containing  to the left and all other terms to the right. 
0=0+66

We simplify left and right side of the equation. 
0=+66

0=66

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

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