9d+2d-10d-1=13

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Solution for 9d+2d-10d-1=13 equation:


Simplifying
9d + 2d + -10d + -1 = 13

Reorder the terms:
-1 + 9d + 2d + -10d = 13

Combine like terms: 9d + 2d = 11d
-1 + 11d + -10d = 13

Combine like terms: 11d + -10d = 1d
-1 + 1d = 13

Solving
-1 + 1d = 13

Solving for variable 'd'.

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

Add '1' to each side of the equation.
-1 + 1 + 1d = 13 + 1

Combine like terms: -1 + 1 = 0
0 + 1d = 13 + 1
1d = 13 + 1

Combine like terms: 13 + 1 = 14
1d = 14

Divide each side by '1'.
d = 14

Simplifying
d = 14

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