-5(1-5d)+5(-8d-2)=-4d-8d

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Solution for -5(1-5d)+5(-8d-2)=-4d-8d equation:


Simplifying
-5(1 + -5d) + 5(-8d + -2) = -4d + -8d
(1 * -5 + -5d * -5) + 5(-8d + -2) = -4d + -8d
(-5 + 25d) + 5(-8d + -2) = -4d + -8d

Reorder the terms:
-5 + 25d + 5(-2 + -8d) = -4d + -8d
-5 + 25d + (-2 * 5 + -8d * 5) = -4d + -8d
-5 + 25d + (-10 + -40d) = -4d + -8d

Reorder the terms:
-5 + -10 + 25d + -40d = -4d + -8d

Combine like terms: -5 + -10 = -15
-15 + 25d + -40d = -4d + -8d

Combine like terms: 25d + -40d = -15d
-15 + -15d = -4d + -8d

Combine like terms: -4d + -8d = -12d
-15 + -15d = -12d

Solving
-15 + -15d = -12d

Solving for variable 'd'.

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

Add '12d' to each side of the equation.
-15 + -15d + 12d = -12d + 12d

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

Combine like terms: -12d + 12d = 0
-15 + -3d = 0

Add '15' to each side of the equation.
-15 + 15 + -3d = 0 + 15

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

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

Divide each side by '-3'.
d = -5

Simplifying
d = -5

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