12d+3=7d+13

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Solution for 12d+3=7d+13 equation:


Simplifying
12d + 3 = 7d + 13

Reorder the terms:
3 + 12d = 7d + 13

Reorder the terms:
3 + 12d = 13 + 7d

Solving
3 + 12d = 13 + 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.
3 + 12d + -7d = 13 + 7d + -7d

Combine like terms: 12d + -7d = 5d
3 + 5d = 13 + 7d + -7d

Combine like terms: 7d + -7d = 0
3 + 5d = 13 + 0
3 + 5d = 13

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

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

Combine like terms: 13 + -3 = 10
5d = 10

Divide each side by '5'.
d = 2

Simplifying
d = 2

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