3(d+9)+3=18

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Solution for 3(d+9)+3=18 equation:


Simplifying
3(d + 9) + 3 = 18

Reorder the terms:
3(9 + d) + 3 = 18
(9 * 3 + d * 3) + 3 = 18
(27 + 3d) + 3 = 18

Reorder the terms:
27 + 3 + 3d = 18

Combine like terms: 27 + 3 = 30
30 + 3d = 18

Solving
30 + 3d = 18

Solving for variable 'd'.

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

Add '-30' to each side of the equation.
30 + -30 + 3d = 18 + -30

Combine like terms: 30 + -30 = 0
0 + 3d = 18 + -30
3d = 18 + -30

Combine like terms: 18 + -30 = -12
3d = -12

Divide each side by '3'.
d = -4

Simplifying
d = -4

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