9d+6=7+2(d+9)

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Solution for 9d+6=7+2(d+9) equation:


Simplifying
9d + 6 = 7 + 2(d + 9)

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

Reorder the terms:
6 + 9d = 7 + 2(9 + d)
6 + 9d = 7 + (9 * 2 + d * 2)
6 + 9d = 7 + (18 + 2d)

Combine like terms: 7 + 18 = 25
6 + 9d = 25 + 2d

Solving
6 + 9d = 25 + 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.
6 + 9d + -2d = 25 + 2d + -2d

Combine like terms: 9d + -2d = 7d
6 + 7d = 25 + 2d + -2d

Combine like terms: 2d + -2d = 0
6 + 7d = 25 + 0
6 + 7d = 25

Add '-6' to each side of the equation.
6 + -6 + 7d = 25 + -6

Combine like terms: 6 + -6 = 0
0 + 7d = 25 + -6
7d = 25 + -6

Combine like terms: 25 + -6 = 19
7d = 19

Divide each side by '7'.
d = 2.714285714

Simplifying
d = 2.714285714

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