-2d+7=9

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Solution for -2d+7=9 equation: 


Simplifying
-2d + 7 = 9

Reorder the terms:
7 + -2d = 9

Solving
7 + -2d = 9

Solving for variable 'd'.

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

Add '-7' to each side of the equation.
7 + -7 + -2d = 9 + -7

Combine like terms: 7 + -7 = 0
0 + -2d = 9 + -7
-2d = 9 + -7

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

Divide each side by '-2'.
d = -1

Simplifying
d = -1

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