2(d+1)+7=3(d-2)+2d

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Solution for 2(d+1)+7=3(d-2)+2d equation:


Simplifying
2(d + 1) + 7 = 3(d + -2) + 2d

Reorder the terms:
2(1 + d) + 7 = 3(d + -2) + 2d
(1 * 2 + d * 2) + 7 = 3(d + -2) + 2d
(2 + 2d) + 7 = 3(d + -2) + 2d

Reorder the terms:
2 + 7 + 2d = 3(d + -2) + 2d

Combine like terms: 2 + 7 = 9
9 + 2d = 3(d + -2) + 2d

Reorder the terms:
9 + 2d = 3(-2 + d) + 2d
9 + 2d = (-2 * 3 + d * 3) + 2d
9 + 2d = (-6 + 3d) + 2d

Combine like terms: 3d + 2d = 5d
9 + 2d = -6 + 5d

Solving
9 + 2d = -6 + 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.
9 + 2d + -5d = -6 + 5d + -5d

Combine like terms: 2d + -5d = -3d
9 + -3d = -6 + 5d + -5d

Combine like terms: 5d + -5d = 0
9 + -3d = -6 + 0
9 + -3d = -6

Add '-9' to each side of the equation.
9 + -9 + -3d = -6 + -9

Combine like terms: 9 + -9 = 0
0 + -3d = -6 + -9
-3d = -6 + -9

Combine like terms: -6 + -9 = -15
-3d = -15

Divide each side by '-3'.
d = 5

Simplifying
d = 5

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