d-10-2d+7=8-10

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Solution for d-10-2d+7=8-10 equation:


Simplifying
d + -10 + -2d + 7 = 8 + -10

Reorder the terms:
-10 + 7 + d + -2d = 8 + -10

Combine like terms: -10 + 7 = -3
-3 + d + -2d = 8 + -10

Combine like terms: d + -2d = -1d
-3 + -1d = 8 + -10

Combine like terms: 8 + -10 = -2
-3 + -1d = -2

Solving
-3 + -1d = -2

Solving for variable 'd'.

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

Add '3' to each side of the equation.
-3 + 3 + -1d = -2 + 3

Combine like terms: -3 + 3 = 0
0 + -1d = -2 + 3
-1d = -2 + 3

Combine like terms: -2 + 3 = 1
-1d = 1

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

Simplifying
d = -1

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