18-19d=-2(9d-2)

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Solution for 18-19d=-2(9d-2) equation:


Simplifying
18 + -19d = -2(9d + -2)

Reorder the terms:
18 + -19d = -2(-2 + 9d)
18 + -19d = (-2 * -2 + 9d * -2)
18 + -19d = (4 + -18d)

Solving
18 + -19d = 4 + -18d

Solving for variable 'd'.

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

Add '18d' to each side of the equation.
18 + -19d + 18d = 4 + -18d + 18d

Combine like terms: -19d + 18d = -1d
18 + -1d = 4 + -18d + 18d

Combine like terms: -18d + 18d = 0
18 + -1d = 4 + 0
18 + -1d = 4

Add '-18' to each side of the equation.
18 + -18 + -1d = 4 + -18

Combine like terms: 18 + -18 = 0
0 + -1d = 4 + -18
-1d = 4 + -18

Combine like terms: 4 + -18 = -14
-1d = -14

Divide each side by '-1'.
d = 14

Simplifying
d = 14

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