10d-6=7d-15

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Solution for 10d-6=7d-15 equation:


Simplifying
10d + -6 = 7d + -15

Reorder the terms:
-6 + 10d = 7d + -15

Reorder the terms:
-6 + 10d = -15 + 7d

Solving
-6 + 10d = -15 + 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.
-6 + 10d + -7d = -15 + 7d + -7d

Combine like terms: 10d + -7d = 3d
-6 + 3d = -15 + 7d + -7d

Combine like terms: 7d + -7d = 0
-6 + 3d = -15 + 0
-6 + 3d = -15

Add '6' to each side of the equation.
-6 + 6 + 3d = -15 + 6

Combine like terms: -6 + 6 = 0
0 + 3d = -15 + 6
3d = -15 + 6

Combine like terms: -15 + 6 = -9
3d = -9

Divide each side by '3'.
d = -3

Simplifying
d = -3

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