13d+7=6d+28

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Solution for 13d+7=6d+28 equation:


Simplifying
13d + 7 = 6d + 28

Reorder the terms:
7 + 13d = 6d + 28

Reorder the terms:
7 + 13d = 28 + 6d

Solving
7 + 13d = 28 + 6d

Solving for variable 'd'.

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

Add '-6d' to each side of the equation.
7 + 13d + -6d = 28 + 6d + -6d

Combine like terms: 13d + -6d = 7d
7 + 7d = 28 + 6d + -6d

Combine like terms: 6d + -6d = 0
7 + 7d = 28 + 0
7 + 7d = 28

Add '-7' to each side of the equation.
7 + -7 + 7d = 28 + -7

Combine like terms: 7 + -7 = 0
0 + 7d = 28 + -7
7d = 28 + -7

Combine like terms: 28 + -7 = 21
7d = 21

Divide each side by '7'.
d = 3

Simplifying
d = 3

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