3d+7=7d+3

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


Simplifying
3d + 7 = 7d + 3

Reorder the terms:
7 + 3d = 7d + 3

Reorder the terms:
7 + 3d = 3 + 7d

Solving
7 + 3d = 3 + 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.
7 + 3d + -7d = 3 + 7d + -7d

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

Combine like terms: 7d + -7d = 0
7 + -4d = 3 + 0
7 + -4d = 3

Add '-7' to each side of the equation.
7 + -7 + -4d = 3 + -7

Combine like terms: 7 + -7 = 0
0 + -4d = 3 + -7
-4d = 3 + -7

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

Divide each side by '-4'.
d = 1

Simplifying
d = 1

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