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

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


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

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

Reorder the terms:
6 + 3d = 7(-2 + d)
6 + 3d = (-2 * 7 + d * 7)
6 + 3d = (-14 + 7d)

Solving
6 + 3d = -14 + 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.
6 + 3d + -7d = -14 + 7d + -7d

Combine like terms: 3d + -7d = -4d
6 + -4d = -14 + 7d + -7d

Combine like terms: 7d + -7d = 0
6 + -4d = -14 + 0
6 + -4d = -14

Add '-6' to each side of the equation.
6 + -6 + -4d = -14 + -6

Combine like terms: 6 + -6 = 0
0 + -4d = -14 + -6
-4d = -14 + -6

Combine like terms: -14 + -6 = -20
-4d = -20

Divide each side by '-4'.
d = 5

Simplifying
d = 5

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