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-5/7*7/5=-1
We simplify the equation to the form, which is simple to understand
-5/7*7/5=-1
Simplifying:
-5/49/5=-1
Simplifying:
-0.102040816327/5=-1
Simplifying:
-0.0204081632653=-1
We move all terms containing to the left and all other terms to the right.
0=-1 + 0.0204081632653
We simplify left and right side of the equation.
0=-0.979591836735
0=-0.979591836735
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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