2n+30=n+45

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Solution for 2n+30=n+45 equation:


Simplifying
2n + 30 = n + 45

Reorder the terms:
30 + 2n = n + 45

Reorder the terms:
30 + 2n = 45 + n

Solving
30 + 2n = 45 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
30 + 2n + -1n = 45 + n + -1n

Combine like terms: 2n + -1n = 1n
30 + 1n = 45 + n + -1n

Combine like terms: n + -1n = 0
30 + 1n = 45 + 0
30 + 1n = 45

Add '-30' to each side of the equation.
30 + -30 + 1n = 45 + -30

Combine like terms: 30 + -30 = 0
0 + 1n = 45 + -30
1n = 45 + -30

Combine like terms: 45 + -30 = 15
1n = 15

Divide each side by '1'.
n = 15

Simplifying
n = 15

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