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28/4(7)+(2)(-4)=0
We simplify the equation to the form, which is simple to understand
28/4(7)+(2)*(-4)=0
Simplifying:
+7*(7)+(2)*(-4)=0
Reorder the terms in parentheses
+(+49)+(2)*(-4)=0
Remove unnecessary parentheses
+49+(+2+)+*(-4+)=0
Reorder the terms in parentheses
multiplication of parentheses
+49+(-8)=0
Remove unnecessary parentheses
+49-8=0
We move all terms containing to the left and all other terms to the right.
0=0-49+8
We simplify left and right side of the equation.
0=-41
0=-41
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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