d+5-2d=84

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Solution for d+5-2d=84 equation:


Simplifying
d + 5 + -2d = 84

Reorder the terms:
5 + d + -2d = 84

Combine like terms: d + -2d = -1d
5 + -1d = 84

Solving
5 + -1d = 84

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 = 84 + -5

Combine like terms: 5 + -5 = 0
0 + -1d = 84 + -5
-1d = 84 + -5

Combine like terms: 84 + -5 = 79
-1d = 79

Divide each side by '-1'.
d = -79

Simplifying
d = -79

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