18+(19+1)+(n+2)=57

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Solution for 18+(19+1)+(n+2)=57 equation:


Simplifying
18 + (19 + 1) + (n + 2) = 57

Combine like terms: 19 + 1 = 20
18 + (20) + (n + 2) = 57
18 + 20 + (n + 2) = 57

Reorder the terms:
18 + 20 + (2 + n) = 57

Remove parenthesis around (2 + n)
18 + 20 + 2 + n = 57

Combine like terms: 18 + 20 = 38
38 + 2 + n = 57

Combine like terms: 38 + 2 = 40
40 + n = 57

Solving
40 + n = 57

Solving for variable 'n'.

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

Add '-40' to each side of the equation.
40 + -40 + n = 57 + -40

Combine like terms: 40 + -40 = 0
0 + n = 57 + -40
n = 57 + -40

Combine like terms: 57 + -40 = 17
n = 17

Simplifying
n = 17

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