11-9=d

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Solution for 11-9=d equation:


Simplifying
11 + -9 = d

Combine like terms: 11 + -9 = 2
2 = d

Solving
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.
2 + -1d = d + -1d

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

Add '-2' to each side of the equation.
2 + -2 + -1d = 0 + -2

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

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

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

Simplifying
d = 2

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