84=-7d+7

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Solution for 84=-7d+7 equation:


Simplifying
84 = -7d + 7

Reorder the terms:
84 = 7 + -7d

Solving
84 = 7 + -7d

Solving for variable 'd'.

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

Add '7d' to each side of the equation.
84 + 7d = 7 + -7d + 7d

Combine like terms: -7d + 7d = 0
84 + 7d = 7 + 0
84 + 7d = 7

Add '-84' to each side of the equation.
84 + -84 + 7d = 7 + -84

Combine like terms: 84 + -84 = 0
0 + 7d = 7 + -84
7d = 7 + -84

Combine like terms: 7 + -84 = -77
7d = -77

Divide each side by '7'.
d = -11

Simplifying
d = -11

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