200+3d=d*7

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Solution for 200+3d=d*7 equation:


Simplifying
200 + 3d = d * 7

Reorder the terms for easier multiplication:
200 + 3d = 7d

Solving
200 + 3d = 7d

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '-7d' to each side of the equation.
200 + 3d + -7d = 7d + -7d

Combine like terms: 3d + -7d = -4d
200 + -4d = 7d + -7d

Combine like terms: 7d + -7d = 0
200 + -4d = 0

Add '-200' to each side of the equation.
200 + -200 + -4d = 0 + -200

Combine like terms: 200 + -200 = 0
0 + -4d = 0 + -200
-4d = 0 + -200

Combine like terms: 0 + -200 = -200
-4d = -200

Divide each side by '-4'.
d = 50

Simplifying
d = 50

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