30+3n=-2(9n-4)

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Solution for 30+3n=-2(9n-4) equation:


Simplifying
30 + 3n = -2(9n + -4)

Reorder the terms:
30 + 3n = -2(-4 + 9n)
30 + 3n = (-4 * -2 + 9n * -2)
30 + 3n = (8 + -18n)

Solving
30 + 3n = 8 + -18n

Solving for variable 'n'.

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

Add '18n' to each side of the equation.
30 + 3n + 18n = 8 + -18n + 18n

Combine like terms: 3n + 18n = 21n
30 + 21n = 8 + -18n + 18n

Combine like terms: -18n + 18n = 0
30 + 21n = 8 + 0
30 + 21n = 8

Add '-30' to each side of the equation.
30 + -30 + 21n = 8 + -30

Combine like terms: 30 + -30 = 0
0 + 21n = 8 + -30
21n = 8 + -30

Combine like terms: 8 + -30 = -22
21n = -22

Divide each side by '21'.
n = -1.047619048

Simplifying
n = -1.047619048

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