18+2d=39-5d

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Solution for 18+2d=39-5d equation:


Simplifying
18 + 2d = 39 + -5d

Solving
18 + 2d = 39 + -5d

Solving for variable 'd'.

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

Add '5d' to each side of the equation.
18 + 2d + 5d = 39 + -5d + 5d

Combine like terms: 2d + 5d = 7d
18 + 7d = 39 + -5d + 5d

Combine like terms: -5d + 5d = 0
18 + 7d = 39 + 0
18 + 7d = 39

Add '-18' to each side of the equation.
18 + -18 + 7d = 39 + -18

Combine like terms: 18 + -18 = 0
0 + 7d = 39 + -18
7d = 39 + -18

Combine like terms: 39 + -18 = 21
7d = 21

Divide each side by '7'.
d = 3

Simplifying
d = 3

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