-5d+7=15d-8

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Solution for -5d+7=15d-8 equation:


Simplifying
-5d + 7 = 15d + -8

Reorder the terms:
7 + -5d = 15d + -8

Reorder the terms:
7 + -5d = -8 + 15d

Solving
7 + -5d = -8 + 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.
7 + -5d + -15d = -8 + 15d + -15d

Combine like terms: -5d + -15d = -20d
7 + -20d = -8 + 15d + -15d

Combine like terms: 15d + -15d = 0
7 + -20d = -8 + 0
7 + -20d = -8

Add '-7' to each side of the equation.
7 + -7 + -20d = -8 + -7

Combine like terms: 7 + -7 = 0
0 + -20d = -8 + -7
-20d = -8 + -7

Combine like terms: -8 + -7 = -15
-20d = -15

Divide each side by '-20'.
d = 0.75

Simplifying
d = 0.75

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