7d-20=12

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Solution for 7d-20=12 equation: 


Simplifying
7d + -20 = 12

Reorder the terms:
-20 + 7d = 12

Solving
-20 + 7d = 12

Solving for variable 'd'.

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

Add '20' to each side of the equation.
-20 + 20 + 7d = 12 + 20

Combine like terms: -20 + 20 = 0
0 + 7d = 12 + 20
7d = 12 + 20

Combine like terms: 12 + 20 = 32
7d = 32

Divide each side by '7'.
d = 4.571428571

Simplifying
d = 4.571428571

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