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-7(9/16)+20=0
We simplify the equation to the form, which is simple to understand
-7(9/16)+20=0
Simplifying:
-7*( + 0.5625)+20=0
Reorder the terms in parentheses
+(-3.9375)+20=0
Remove unnecessary parentheses
-3.9375+20=0
We move all terms containing to the left and all other terms to the right.
0=0+3.9375-20
We simplify left and right side of the equation.
0=-16.0625
0=-16.0625
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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