80-40=30

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Solution for 80-40=30 equation:


80-40=30

We simplify the equation to the form, which is simple to understand 
80-40=30

We move all terms containing  to the left and all other terms to the right. 
0=+30-80+40

We simplify left and right side of the equation. 
0=-10

0=-10

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

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