7(1)-4(-1)=

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Solution for 7(1)-4(-1)= equation:


7(1)-4(-1)=0

We simplify the equation to the form, which is simple to understand 
7(1)-4(-1)=0

Reorder the terms in parentheses
+(+7)-4*(-1)=0

Remove unnecessary parentheses
+7-4+*(-1+)=0

Reorder the terms in parentheses
+7+(+4)=0

Remove unnecessary parentheses
+7+4=0

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

We simplify left and right side of the equation. 
0=-11

0=-11

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

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