7-4d=8

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Solution for 7-4d=8 equation: 


Simplifying
7 + -4d = 8

Solving
7 + -4d = 8

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 + -4d = 8 + -7

Combine like terms: 7 + -7 = 0
0 + -4d = 8 + -7
-4d = 8 + -7

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

Divide each side by '-4'.
d = -0.25

Simplifying
d = -0.25

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