(-4+5)-(7-8)=

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Solution for (-4+5)-(7-8)= equation:


(-4+5)-(7-8)=0

We simplify the equation to the form, which is simple to understand 
(-4+5)-(7-8)=0

Simplifying terms in parentheses
(+1)-(7-8)=0

Simplifying terms in parentheses
(+1)-(-1)=0

Remove unnecessary parentheses
+1-(-1)=0

Remove unnecessary parentheses
+1+1=0

We move all terms containing  to the left and all other terms to the right. 
0=0-1-1

We simplify left and right side of the equation. 
0=-2

0=-2

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

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