-9=d+7

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Solution for -9=d+7 equation:


Simplifying
-9 = d + 7

Reorder the terms:
-9 = 7 + d

Solving
-9 = 7 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
-9 + -1d = 7 + d + -1d

Combine like terms: d + -1d = 0
-9 + -1d = 7 + 0
-9 + -1d = 7

Add '9' to each side of the equation.
-9 + 9 + -1d = 7 + 9

Combine like terms: -9 + 9 = 0
0 + -1d = 7 + 9
-1d = 7 + 9

Combine like terms: 7 + 9 = 16
-1d = 16

Divide each side by '-1'.
d = -16

Simplifying
d = -16

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