-7(-2d-2)=15d

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Solution for -7(-2d-2)=15d equation:


Simplifying
-7(-2d + -2) = 15d

Reorder the terms:
-7(-2 + -2d) = 15d
(-2 * -7 + -2d * -7) = 15d
(14 + 14d) = 15d

Solving
14 + 14d = 15d

Solving for variable 'd'.

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

Add '-15d' to each side of the equation.
14 + 14d + -15d = 15d + -15d

Combine like terms: 14d + -15d = -1d
14 + -1d = 15d + -15d

Combine like terms: 15d + -15d = 0
14 + -1d = 0

Add '-14' to each side of the equation.
14 + -14 + -1d = 0 + -14

Combine like terms: 14 + -14 = 0
0 + -1d = 0 + -14
-1d = 0 + -14

Combine like terms: 0 + -14 = -14
-1d = -14

Divide each side by '-1'.
d = 14

Simplifying
d = 14

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