23d-15=20d-45

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Solution for 23d-15=20d-45 equation:


Simplifying
23d + -15 = 20d + -45

Reorder the terms:
-15 + 23d = 20d + -45

Reorder the terms:
-15 + 23d = -45 + 20d

Solving
-15 + 23d = -45 + 20d

Solving for variable 'd'.

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

Add '-20d' to each side of the equation.
-15 + 23d + -20d = -45 + 20d + -20d

Combine like terms: 23d + -20d = 3d
-15 + 3d = -45 + 20d + -20d

Combine like terms: 20d + -20d = 0
-15 + 3d = -45 + 0
-15 + 3d = -45

Add '15' to each side of the equation.
-15 + 15 + 3d = -45 + 15

Combine like terms: -15 + 15 = 0
0 + 3d = -45 + 15
3d = -45 + 15

Combine like terms: -45 + 15 = -30
3d = -30

Divide each side by '3'.
d = -10

Simplifying
d = -10

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