9=2+d

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Solution for 9=2+d equation:


Simplifying
9 = 2 + d

Solving
9 = 2 + 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 = 2 + d + -1d

Combine like terms: d + -1d = 0
9 + -1d = 2 + 0
9 + -1d = 2

Add '-9' to each side of the equation.
9 + -9 + -1d = 2 + -9

Combine like terms: 9 + -9 = 0
0 + -1d = 2 + -9
-1d = 2 + -9

Combine like terms: 2 + -9 = -7
-1d = -7

Divide each side by '-1'.
d = 7

Simplifying
d = 7

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