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2.9 (7)+5-0.5(7)=-7.6+4.7 (7)
We simplify the equation to the form, which is simple to understand
2.9(7)+5-0.5(7)=-7.6+4.7(7)
Reorder the terms in parentheses
+(+20.3)+5-0.5*(7)=-7.6+4.7*(7)
Remove unnecessary parentheses
+20.3+5-0.5+*(+7+)=-7.6+4.7+*(+7+)
Reorder the terms in parentheses
+20.3+5+(-3.5)=-7.6+4.7*(7)
Remove unnecessary parentheses
+20.3+5-3.5=-7.6+4.7+*(+7+)
Reorder the terms in parentheses
+20.3+5-3.5=-7.6+(+32.9)
Remove unnecessary parentheses
+20.3+5-3.5=-7.6+32.9
We move all terms containing to the left and all other terms to the right.
0=-7.6+32.9-20.3-5+3.5
We simplify left and right side of the equation.
0=+3.5
0=3.5
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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