5+2d+2d=9

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Solution for 5+2d+2d=9 equation:


Simplifying
5 + 2d + 2d = 9

Combine like terms: 2d + 2d = 4d
5 + 4d = 9

Solving
5 + 4d = 9

Solving for variable 'd'.

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

Add '-5' to each side of the equation.
5 + -5 + 4d = 9 + -5

Combine like terms: 5 + -5 = 0
0 + 4d = 9 + -5
4d = 9 + -5

Combine like terms: 9 + -5 = 4
4d = 4

Divide each side by '4'.
d = 1

Simplifying
d = 1

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