9n-30=2n-2

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Solution for 9n-30=2n-2 equation:


Simplifying
9n + -30 = 2n + -2

Reorder the terms:
-30 + 9n = 2n + -2

Reorder the terms:
-30 + 9n = -2 + 2n

Solving
-30 + 9n = -2 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
-30 + 9n + -2n = -2 + 2n + -2n

Combine like terms: 9n + -2n = 7n
-30 + 7n = -2 + 2n + -2n

Combine like terms: 2n + -2n = 0
-30 + 7n = -2 + 0
-30 + 7n = -2

Add '30' to each side of the equation.
-30 + 30 + 7n = -2 + 30

Combine like terms: -30 + 30 = 0
0 + 7n = -2 + 30
7n = -2 + 30

Combine like terms: -2 + 30 = 28
7n = 28

Divide each side by '7'.
n = 4

Simplifying
n = 4

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