2(9d+20)+5=3(d+3)

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Solution for 2(9d+20)+5=3(d+3) equation:


Simplifying
2(9d + 20) + 5 = 3(d + 3)

Reorder the terms:
2(20 + 9d) + 5 = 3(d + 3)
(20 * 2 + 9d * 2) + 5 = 3(d + 3)
(40 + 18d) + 5 = 3(d + 3)

Reorder the terms:
40 + 5 + 18d = 3(d + 3)

Combine like terms: 40 + 5 = 45
45 + 18d = 3(d + 3)

Reorder the terms:
45 + 18d = 3(3 + d)
45 + 18d = (3 * 3 + d * 3)
45 + 18d = (9 + 3d)

Solving
45 + 18d = 9 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
45 + 18d + -3d = 9 + 3d + -3d

Combine like terms: 18d + -3d = 15d
45 + 15d = 9 + 3d + -3d

Combine like terms: 3d + -3d = 0
45 + 15d = 9 + 0
45 + 15d = 9

Add '-45' to each side of the equation.
45 + -45 + 15d = 9 + -45

Combine like terms: 45 + -45 = 0
0 + 15d = 9 + -45
15d = 9 + -45

Combine like terms: 9 + -45 = -36
15d = -36

Divide each side by '15'.
d = -2.4

Simplifying
d = -2.4

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