3-d+2=20

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Solution for 3-d+2=20 equation:


Simplifying
3 + -1d + 2 = 20

Reorder the terms:
3 + 2 + -1d = 20

Combine like terms: 3 + 2 = 5
5 + -1d = 20

Solving
5 + -1d = 20

Solving for variable 'd'.

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

Add '-5' to each side of the equation.
5 + -5 + -1d = 20 + -5

Combine like terms: 5 + -5 = 0
0 + -1d = 20 + -5
-1d = 20 + -5

Combine like terms: 20 + -5 = 15
-1d = 15

Divide each side by '-1'.
d = -15

Simplifying
d = -15

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