n-7=18+3

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Solution for n-7=18+3 equation: 


Simplifying
n + -7 = 18 + 3

Reorder the terms:
-7 + n = 18 + 3

Combine like terms: 18 + 3 = 21
-7 + n = 21

Solving
-7 + n = 21

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + n = 21 + 7

Combine like terms: -7 + 7 = 0
0 + n = 21 + 7
n = 21 + 7

Combine like terms: 21 + 7 = 28
n = 28

Simplifying
n = 28

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