-7d+9=d+9

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Solution for -7d+9=d+9 equation:


Simplifying
-7d + 9 = d + 9

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

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

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

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

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

Solving
-7d = 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.
-7d + -1d = d + -1d

Combine like terms: -7d + -1d = -8d
-8d = d + -1d

Combine like terms: d + -1d = 0
-8d = 0

Divide each side by '-8'.
d = 0

Simplifying
d = 0

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