3d+7=5d+1

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Solution for 3d+7=5d+1 equation:


Simplifying
3d + 7 = 5d + 1

Reorder the terms:
7 + 3d = 5d + 1

Reorder the terms:
7 + 3d = 1 + 5d

Solving
7 + 3d = 1 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
7 + 3d + -5d = 1 + 5d + -5d

Combine like terms: 3d + -5d = -2d
7 + -2d = 1 + 5d + -5d

Combine like terms: 5d + -5d = 0
7 + -2d = 1 + 0
7 + -2d = 1

Add '-7' to each side of the equation.
7 + -7 + -2d = 1 + -7

Combine like terms: 7 + -7 = 0
0 + -2d = 1 + -7
-2d = 1 + -7

Combine like terms: 1 + -7 = -6
-2d = -6

Divide each side by '-2'.
d = 3

Simplifying
d = 3

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