-(5+20d)=-5(-15+8d)

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Solution for -(5+20d)=-5(-15+8d) equation:


Simplifying
-1(5 + 20d) = -5(-15 + 8d)
(5 * -1 + 20d * -1) = -5(-15 + 8d)
(-5 + -20d) = -5(-15 + 8d)
-5 + -20d = (-15 * -5 + 8d * -5)
-5 + -20d = (75 + -40d)

Solving
-5 + -20d = 75 + -40d

Solving for variable 'd'.

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

Add '40d' to each side of the equation.
-5 + -20d + 40d = 75 + -40d + 40d

Combine like terms: -20d + 40d = 20d
-5 + 20d = 75 + -40d + 40d

Combine like terms: -40d + 40d = 0
-5 + 20d = 75 + 0
-5 + 20d = 75

Add '5' to each side of the equation.
-5 + 5 + 20d = 75 + 5

Combine like terms: -5 + 5 = 0
0 + 20d = 75 + 5
20d = 75 + 5

Combine like terms: 75 + 5 = 80
20d = 80

Divide each side by '20'.
d = 4

Simplifying
d = 4

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