42+9d=5(9d-6)

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Solution for 42+9d=5(9d-6) equation:


Simplifying
42 + 9d = 5(9d + -6)

Reorder the terms:
42 + 9d = 5(-6 + 9d)
42 + 9d = (-6 * 5 + 9d * 5)
42 + 9d = (-30 + 45d)

Solving
42 + 9d = -30 + 45d

Solving for variable 'd'.

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

Add '-45d' to each side of the equation.
42 + 9d + -45d = -30 + 45d + -45d

Combine like terms: 9d + -45d = -36d
42 + -36d = -30 + 45d + -45d

Combine like terms: 45d + -45d = 0
42 + -36d = -30 + 0
42 + -36d = -30

Add '-42' to each side of the equation.
42 + -42 + -36d = -30 + -42

Combine like terms: 42 + -42 = 0
0 + -36d = -30 + -42
-36d = -30 + -42

Combine like terms: -30 + -42 = -72
-36d = -72

Divide each side by '-36'.
d = 2

Simplifying
d = 2

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