2d+d-3=6

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Solution for 2d+d-3=6 equation: 


Simplifying
2d + d + -3 = 6

Reorder the terms:
-3 + 2d + d = 6

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

Solving
-3 + 3d = 6

Solving for variable 'd'.

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

Add '3' to each side of the equation.
-3 + 3 + 3d = 6 + 3

Combine like terms: -3 + 3 = 0
0 + 3d = 6 + 3
3d = 6 + 3

Combine like terms: 6 + 3 = 9
3d = 9

Divide each side by '3'.
d = 3

Simplifying
d = 3

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