2d+2(3d-1)=18

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Solution for 2d+2(3d-1)=18 equation:


Simplifying
2d + 2(3d + -1) = 18

Reorder the terms:
2d + 2(-1 + 3d) = 18
2d + (-1 * 2 + 3d * 2) = 18
2d + (-2 + 6d) = 18

Reorder the terms:
-2 + 2d + 6d = 18

Combine like terms: 2d + 6d = 8d
-2 + 8d = 18

Solving
-2 + 8d = 18

Solving for variable 'd'.

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

Add '2' to each side of the equation.
-2 + 2 + 8d = 18 + 2

Combine like terms: -2 + 2 = 0
0 + 8d = 18 + 2
8d = 18 + 2

Combine like terms: 18 + 2 = 20
8d = 20

Divide each side by '8'.
d = 2.5

Simplifying
d = 2.5

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