9(d+2)+d=28+6(d-1)

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Solution for 9(d+2)+d=28+6(d-1) equation:


Simplifying
9(d + 2) + d = 28 + 6(d + -1)

Reorder the terms:
9(2 + d) + d = 28 + 6(d + -1)
(2 * 9 + d * 9) + d = 28 + 6(d + -1)
(18 + 9d) + d = 28 + 6(d + -1)

Combine like terms: 9d + d = 10d
18 + 10d = 28 + 6(d + -1)

Reorder the terms:
18 + 10d = 28 + 6(-1 + d)
18 + 10d = 28 + (-1 * 6 + d * 6)
18 + 10d = 28 + (-6 + 6d)

Combine like terms: 28 + -6 = 22
18 + 10d = 22 + 6d

Solving
18 + 10d = 22 + 6d

Solving for variable 'd'.

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

Add '-6d' to each side of the equation.
18 + 10d + -6d = 22 + 6d + -6d

Combine like terms: 10d + -6d = 4d
18 + 4d = 22 + 6d + -6d

Combine like terms: 6d + -6d = 0
18 + 4d = 22 + 0
18 + 4d = 22

Add '-18' to each side of the equation.
18 + -18 + 4d = 22 + -18

Combine like terms: 18 + -18 = 0
0 + 4d = 22 + -18
4d = 22 + -18

Combine like terms: 22 + -18 = 4
4d = 4

Divide each side by '4'.
d = 1

Simplifying
d = 1

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