-3d-(-42)=12

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Solution for -3d-(-42)=12 equation:


-3d-(-42)=12

We simplify the equation to the form, which is simple to understand 
-3d-(-42)=12

Remove unnecessary parentheses
-3d+42=12

We move all terms containing d to the left and all other terms to the right. 
-3d=+12-42

We simplify left and right side of the equation. 
-3d=-30

We divide both sides of the equation by -3 to get d. 
d=10

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