N+[N+25]=90

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Solution for N+[N+25]=90 equation:


Simplifying
N + [N + 25] = 90

Reorder the terms:
N + [25 + N] = 90

Remove brackets around [25 + N]
N + 25 + N = 90

Reorder the terms:
25 + N + N = 90

Combine like terms: N + N = 2N
25 + 2N = 90

Solving
25 + 2N = 90

Solving for variable 'N'.

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

Add '-25' to each side of the equation.
25 + -25 + 2N = 90 + -25

Combine like terms: 25 + -25 = 0
0 + 2N = 90 + -25
2N = 90 + -25

Combine like terms: 90 + -25 = 65
2N = 65

Divide each side by '2'.
N = 32.5

Simplifying
N = 32.5

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