3d+d-7=9

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Solution for 3d+d-7=9 equation:


3d+d-7=9

We simplify the equation to the form, which is simple to understand 
3d+d-7=9

We move all terms containing d to the left and all other terms to the right. 
+3d+1d=+9+7

We simplify left and right side of the equation. 
+4d=+16

We divide both sides of the equation by 4 to get d. 
d=4

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