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

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


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

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

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

Combine like terms: -14 + -2 = -16
-16 + 7d = 2(d + 2)

Reorder the terms:
-16 + 7d = 2(2 + d)
-16 + 7d = (2 * 2 + d * 2)
-16 + 7d = (4 + 2d)

Solving
-16 + 7d = 4 + 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
-16 + 7d + -2d = 4 + 2d + -2d

Combine like terms: 7d + -2d = 5d
-16 + 5d = 4 + 2d + -2d

Combine like terms: 2d + -2d = 0
-16 + 5d = 4 + 0
-16 + 5d = 4

Add '16' to each side of the equation.
-16 + 16 + 5d = 4 + 16

Combine like terms: -16 + 16 = 0
0 + 5d = 4 + 16
5d = 4 + 16

Combine like terms: 4 + 16 = 20
5d = 20

Divide each side by '5'.
d = 4

Simplifying
d = 4

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