18d+18+20=2(15d-17)

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Solution for 18d+18+20=2(15d-17) equation:


Simplifying
18d + 18 + 20 = 2(15d + -17)

Reorder the terms:
18 + 20 + 18d = 2(15d + -17)

Combine like terms: 18 + 20 = 38
38 + 18d = 2(15d + -17)

Reorder the terms:
38 + 18d = 2(-17 + 15d)
38 + 18d = (-17 * 2 + 15d * 2)
38 + 18d = (-34 + 30d)

Solving
38 + 18d = -34 + 30d

Solving for variable 'd'.

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

Add '-30d' to each side of the equation.
38 + 18d + -30d = -34 + 30d + -30d

Combine like terms: 18d + -30d = -12d
38 + -12d = -34 + 30d + -30d

Combine like terms: 30d + -30d = 0
38 + -12d = -34 + 0
38 + -12d = -34

Add '-38' to each side of the equation.
38 + -38 + -12d = -34 + -38

Combine like terms: 38 + -38 = 0
0 + -12d = -34 + -38
-12d = -34 + -38

Combine like terms: -34 + -38 = -72
-12d = -72

Divide each side by '-12'.
d = 6

Simplifying
d = 6

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