7d-15=5d-3

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Solution for 7d-15=5d-3 equation:


Simplifying
7d + -15 = 5d + -3

Reorder the terms:
-15 + 7d = 5d + -3

Reorder the terms:
-15 + 7d = -3 + 5d

Solving
-15 + 7d = -3 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
-15 + 7d + -5d = -3 + 5d + -5d

Combine like terms: 7d + -5d = 2d
-15 + 2d = -3 + 5d + -5d

Combine like terms: 5d + -5d = 0
-15 + 2d = -3 + 0
-15 + 2d = -3

Add '15' to each side of the equation.
-15 + 15 + 2d = -3 + 15

Combine like terms: -15 + 15 = 0
0 + 2d = -3 + 15
2d = -3 + 15

Combine like terms: -3 + 15 = 12
2d = 12

Divide each side by '2'.
d = 6

Simplifying
d = 6

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