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-3 (-2/13) - 2 (-7 10/13) = -12
We simplify the equation to the form, which is simple to understand
-3(-2/13)-2(-710/13)=-12
Reorder the terms in parentheses
+( + 0.46153846153846)-2*(-54.615384615385)=-12
Remove unnecessary parentheses
+ 0.46153846153846-2+*(-54.615384615385+)=-12
Reorder the terms in parentheses
+ 0.46153846153846+(+109.23076923077)=-12
Remove unnecessary parentheses
+ 0.46153846153846+109.23076923077=-12
We move all terms containing to the left and all other terms to the right.
0=-12-0.46153846153846-109.23076923077
We simplify left and right side of the equation.
0=-121.69230769231
0=-121.69230769231
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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