7-1.5(4-10d)=31

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Solution for 7-1.5(4-10d)=31 equation:


7-1.5(4-10d)=31

We simplify the equation to the form, which is simple to understand 
7-1.5(4-10d)=31

Reorder the terms in parentheses
7+(-6+15d)=31

Remove unnecessary parentheses
+7-6+15d=+31

We move all terms containing d to the left and all other terms to the right. 
+15d=+31-7+6

We simplify left and right side of the equation. 
+15d=+30

We divide both sides of the equation by 15 to get d. 
d=2

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