10+7d=9d-10

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Solution for 10+7d=9d-10 equation:


Simplifying
10 + 7d = 9d + -10

Reorder the terms:
10 + 7d = -10 + 9d

Solving
10 + 7d = -10 + 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.
10 + 7d + -9d = -10 + 9d + -9d

Combine like terms: 7d + -9d = -2d
10 + -2d = -10 + 9d + -9d

Combine like terms: 9d + -9d = 0
10 + -2d = -10 + 0
10 + -2d = -10

Add '-10' to each side of the equation.
10 + -10 + -2d = -10 + -10

Combine like terms: 10 + -10 = 0
0 + -2d = -10 + -10
-2d = -10 + -10

Combine like terms: -10 + -10 = -20
-2d = -20

Divide each side by '-2'.
d = 10

Simplifying
d = 10

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