4(2n+9)+15n=30n-6

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Solution for 4(2n+9)+15n=30n-6 equation:


Simplifying
4(2n + 9) + 15n = 30n + -6

Reorder the terms:
4(9 + 2n) + 15n = 30n + -6
(9 * 4 + 2n * 4) + 15n = 30n + -6
(36 + 8n) + 15n = 30n + -6

Combine like terms: 8n + 15n = 23n
36 + 23n = 30n + -6

Reorder the terms:
36 + 23n = -6 + 30n

Solving
36 + 23n = -6 + 30n

Solving for variable 'n'.

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

Add '-30n' to each side of the equation.
36 + 23n + -30n = -6 + 30n + -30n

Combine like terms: 23n + -30n = -7n
36 + -7n = -6 + 30n + -30n

Combine like terms: 30n + -30n = 0
36 + -7n = -6 + 0
36 + -7n = -6

Add '-36' to each side of the equation.
36 + -36 + -7n = -6 + -36

Combine like terms: 36 + -36 = 0
0 + -7n = -6 + -36
-7n = -6 + -36

Combine like terms: -6 + -36 = -42
-7n = -42

Divide each side by '-7'.
n = 6

Simplifying
n = 6

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