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18(2-7)+3=30
We simplify the equation to the form, which is simple to understand
18(2-7)+3=30
Simplifying terms in parentheses
18*(-5)+3=30
Reorder the terms in parentheses
+(-90)+3=30
Remove unnecessary parentheses
-90+3=+30
We move all terms containing to the left and all other terms to the right.
0=+30+90-3
We simplify left and right side of the equation.
0=+117
0=117
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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