9-9d=-9(4d-19)

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Solution for 9-9d=-9(4d-19) equation: 


Simplifying
9 + -9d = -9(4d + -19)

Reorder the terms:
9 + -9d = -9(-19 + 4d)
9 + -9d = (-19 * -9 + 4d * -9)
9 + -9d = (171 + -36d)

Solving
9 + -9d = 171 + -36d

Solving for variable 'd'.

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

Add '36d' to each side of the equation.
9 + -9d + 36d = 171 + -36d + 36d

Combine like terms: -9d + 36d = 27d
9 + 27d = 171 + -36d + 36d

Combine like terms: -36d + 36d = 0
9 + 27d = 171 + 0
9 + 27d = 171

Add '-9' to each side of the equation.
9 + -9 + 27d = 171 + -9

Combine like terms: 9 + -9 = 0
0 + 27d = 171 + -9
27d = 171 + -9

Combine like terms: 171 + -9 = 162
27d = 162

Divide each side by '27'.
d = 6

Simplifying
d = 6

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