3(3d+2)+4=7d

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Solution for 3(3d+2)+4=7d equation:


Simplifying
3(3d + 2) + 4 = 7d

Reorder the terms:
3(2 + 3d) + 4 = 7d
(2 * 3 + 3d * 3) + 4 = 7d
(6 + 9d) + 4 = 7d

Reorder the terms:
6 + 4 + 9d = 7d

Combine like terms: 6 + 4 = 10
10 + 9d = 7d

Solving
10 + 9d = 7d

Solving for variable 'd'.

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

Add '-7d' to each side of the equation.
10 + 9d + -7d = 7d + -7d

Combine like terms: 9d + -7d = 2d
10 + 2d = 7d + -7d

Combine like terms: 7d + -7d = 0
10 + 2d = 0

Add '-10' to each side of the equation.
10 + -10 + 2d = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 2d = 0 + -10
2d = 0 + -10

Combine like terms: 0 + -10 = -10
2d = -10

Divide each side by '2'.
d = -5

Simplifying
d = -5

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