5(6)-7(-7)=

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Solution for 5(6)-7(-7)= equation:


5(6)-7(-7)=0

We simplify the equation to the form, which is simple to understand 
5(6)-7(-7)=0

Reorder the terms in parentheses
+(+30)-7*(-7)=0

Remove unnecessary parentheses
+30-7+*(-7+)=0

Reorder the terms in parentheses
+30+(+49)=0

Remove unnecessary parentheses
+30+49=0

We move all terms containing  to the left and all other terms to the right. 
0=0-30-49

We simplify left and right side of the equation. 
0=-79

0=-79

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

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