30+9n=4(2n-7)

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Solution for 30+9n=4(2n-7) equation:


Simplifying
30 + 9n = 4(2n + -7)

Reorder the terms:
30 + 9n = 4(-7 + 2n)
30 + 9n = (-7 * 4 + 2n * 4)
30 + 9n = (-28 + 8n)

Solving
30 + 9n = -28 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
30 + 9n + -8n = -28 + 8n + -8n

Combine like terms: 9n + -8n = 1n
30 + 1n = -28 + 8n + -8n

Combine like terms: 8n + -8n = 0
30 + 1n = -28 + 0
30 + 1n = -28

Add '-30' to each side of the equation.
30 + -30 + 1n = -28 + -30

Combine like terms: 30 + -30 = 0
0 + 1n = -28 + -30
1n = -28 + -30

Combine like terms: -28 + -30 = -58
1n = -58

Divide each side by '1'.
n = -58

Simplifying
n = -58

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