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4(-18-2)-5*18=1
We simplify the equation to the form, which is simple to understand
4(-18-2)-5*18=1
Simplifying:
4*(-18-2)-90=1
Simplifying terms in parentheses
4*(-20)-90=1
Reorder the terms in parentheses
+(-80)-90=1
Remove unnecessary parentheses
-80-90=+1
We move all terms containing to the left and all other terms to the right.
0=+1+80+90
We simplify left and right side of the equation.
0=+171
0=171
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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