18-d=10+d

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Solution for 18-d=10+d equation:


Simplifying
18 + -1d = 10 + d

Solving
18 + -1d = 10 + 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.
18 + -1d + -1d = 10 + d + -1d

Combine like terms: -1d + -1d = -2d
18 + -2d = 10 + d + -1d

Combine like terms: d + -1d = 0
18 + -2d = 10 + 0
18 + -2d = 10

Add '-18' to each side of the equation.
18 + -18 + -2d = 10 + -18

Combine like terms: 18 + -18 = 0
0 + -2d = 10 + -18
-2d = 10 + -18

Combine like terms: 10 + -18 = -8
-2d = -8

Divide each side by '-2'.
d = 4

Simplifying
d = 4

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