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

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


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

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

Combine like terms: 10d + -2d = 8d
1 + 8d = -9 + 9d

Solving
1 + 8d = -9 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
1 + 8d + -9d = -9 + 9d + -9d

Combine like terms: 8d + -9d = -1d
1 + -1d = -9 + 9d + -9d

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

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

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

Combine like terms: -9 + -1 = -10
-1d = -10

Divide each side by '-1'.
d = 10

Simplifying
d = 10

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