9+2d-7=

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Solution for 9+2d-7= equation: 


Simplifying
9 + 2d + -7 = 0

Reorder the terms:
9 + -7 + 2d = 0

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

Solving
2 + 2d = 0

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 = 0 + -2

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

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

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

Simplifying
d = -1

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