7d+5=3d+13

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Solution for 7d+5=3d+13 equation:


Simplifying
7d + 5 = 3d + 13

Reorder the terms:
5 + 7d = 3d + 13

Reorder the terms:
5 + 7d = 13 + 3d

Solving
5 + 7d = 13 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
5 + 7d + -3d = 13 + 3d + -3d

Combine like terms: 7d + -3d = 4d
5 + 4d = 13 + 3d + -3d

Combine like terms: 3d + -3d = 0
5 + 4d = 13 + 0
5 + 4d = 13

Add '-5' to each side of the equation.
5 + -5 + 4d = 13 + -5

Combine like terms: 5 + -5 = 0
0 + 4d = 13 + -5
4d = 13 + -5

Combine like terms: 13 + -5 = 8
4d = 8

Divide each side by '4'.
d = 2

Simplifying
d = 2

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