2-2d=9

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Solution for 2-2d=9 equation: 


Simplifying
2 + -2d = 9

Solving
2 + -2d = 9

Solving for variable 'd'.

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

Add '-2' to each side of the equation.
2 + -2 + -2d = 9 + -2

Combine like terms: 2 + -2 = 0
0 + -2d = 9 + -2
-2d = 9 + -2

Combine like terms: 9 + -2 = 7
-2d = 7

Divide each side by '-2'.
d = -3.5

Simplifying
d = -3.5

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