2d+3-9=30

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Solution for 2d+3-9=30 equation: 


Simplifying
2d + 3 + -9 = 30

Reorder the terms:
3 + -9 + 2d = 30

Combine like terms: 3 + -9 = -6
-6 + 2d = 30

Solving
-6 + 2d = 30

Solving for variable 'd'.

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

Add '6' to each side of the equation.
-6 + 6 + 2d = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 2d = 30 + 6
2d = 30 + 6

Combine like terms: 30 + 6 = 36
2d = 36

Divide each side by '2'.
d = 18

Simplifying
d = 18

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