3(d+9)=10(d+2)

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Solution for 3(d+9)=10(d+2) equation:


Simplifying
3(d + 9) = 10(d + 2)

Reorder the terms:
3(9 + d) = 10(d + 2)
(9 * 3 + d * 3) = 10(d + 2)
(27 + 3d) = 10(d + 2)

Reorder the terms:
27 + 3d = 10(2 + d)
27 + 3d = (2 * 10 + d * 10)
27 + 3d = (20 + 10d)

Solving
27 + 3d = 20 + 10d

Solving for variable 'd'.

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

Add '-10d' to each side of the equation.
27 + 3d + -10d = 20 + 10d + -10d

Combine like terms: 3d + -10d = -7d
27 + -7d = 20 + 10d + -10d

Combine like terms: 10d + -10d = 0
27 + -7d = 20 + 0
27 + -7d = 20

Add '-27' to each side of the equation.
27 + -27 + -7d = 20 + -27

Combine like terms: 27 + -27 = 0
0 + -7d = 20 + -27
-7d = 20 + -27

Combine like terms: 20 + -27 = -7
-7d = -7

Divide each side by '-7'.
d = 1

Simplifying
d = 1

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