31d+7=999

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Solution for 31d+7=999 equation: 


Simplifying
31d + 7 = 999

Reorder the terms:
7 + 31d = 999

Solving
7 + 31d = 999

Solving for variable 'd'.

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

Add '-7' to each side of the equation.
7 + -7 + 31d = 999 + -7

Combine like terms: 7 + -7 = 0
0 + 31d = 999 + -7
31d = 999 + -7

Combine like terms: 999 + -7 = 992
31d = 992

Divide each side by '31'.
d = 32

Simplifying
d = 32

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