2(9-10d)=-2

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Solution for 2(9-10d)=-2 equation: 


Simplifying
2(9 + -10d) = -2
(9 * 2 + -10d * 2) = -2
(18 + -20d) = -2

Solving
18 + -20d = -2

Solving for variable 'd'.

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

Add '-18' to each side of the equation.
18 + -18 + -20d = -2 + -18

Combine like terms: 18 + -18 = 0
0 + -20d = -2 + -18
-20d = -2 + -18

Combine like terms: -2 + -18 = -20
-20d = -20

Divide each side by '-20'.
d = 1

Simplifying
d = 1

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