-7d+4=d+100

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Solution for -7d+4=d+100 equation:


Simplifying
-7d + 4 = d + 100

Reorder the terms:
4 + -7d = d + 100

Reorder the terms:
4 + -7d = 100 + d

Solving
4 + -7d = 100 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
4 + -7d + -1d = 100 + d + -1d

Combine like terms: -7d + -1d = -8d
4 + -8d = 100 + d + -1d

Combine like terms: d + -1d = 0
4 + -8d = 100 + 0
4 + -8d = 100

Add '-4' to each side of the equation.
4 + -4 + -8d = 100 + -4

Combine like terms: 4 + -4 = 0
0 + -8d = 100 + -4
-8d = 100 + -4

Combine like terms: 100 + -4 = 96
-8d = 96

Divide each side by '-8'.
d = -12

Simplifying
d = -12

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