7d+15=120

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Solution for 7d+15=120 equation: 


Simplifying
7d + 15 = 120

Reorder the terms:
15 + 7d = 120

Solving
15 + 7d = 120

Solving for variable 'd'.

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

Add '-15' to each side of the equation.
15 + -15 + 7d = 120 + -15

Combine like terms: 15 + -15 = 0
0 + 7d = 120 + -15
7d = 120 + -15

Combine like terms: 120 + -15 = 105
7d = 105

Divide each side by '7'.
d = 15

Simplifying
d = 15

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