20+15d=33+28d

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Solution for 20+15d=33+28d equation:


Simplifying
20 + 15d = 33 + 28d

Solving
20 + 15d = 33 + 28d

Solving for variable 'd'.

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

Add '-28d' to each side of the equation.
20 + 15d + -28d = 33 + 28d + -28d

Combine like terms: 15d + -28d = -13d
20 + -13d = 33 + 28d + -28d

Combine like terms: 28d + -28d = 0
20 + -13d = 33 + 0
20 + -13d = 33

Add '-20' to each side of the equation.
20 + -20 + -13d = 33 + -20

Combine like terms: 20 + -20 = 0
0 + -13d = 33 + -20
-13d = 33 + -20

Combine like terms: 33 + -20 = 13
-13d = 13

Divide each side by '-13'.
d = -1

Simplifying
d = -1

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