15d+3=7d+75

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Solution for 15d+3=7d+75 equation:


Simplifying
15d + 3 = 7d + 75

Reorder the terms:
3 + 15d = 7d + 75

Reorder the terms:
3 + 15d = 75 + 7d

Solving
3 + 15d = 75 + 7d

Solving for variable 'd'.

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

Add '-7d' to each side of the equation.
3 + 15d + -7d = 75 + 7d + -7d

Combine like terms: 15d + -7d = 8d
3 + 8d = 75 + 7d + -7d

Combine like terms: 7d + -7d = 0
3 + 8d = 75 + 0
3 + 8d = 75

Add '-3' to each side of the equation.
3 + -3 + 8d = 75 + -3

Combine like terms: 3 + -3 = 0
0 + 8d = 75 + -3
8d = 75 + -3

Combine like terms: 75 + -3 = 72
8d = 72

Divide each side by '8'.
d = 9

Simplifying
d = 9

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