300-12=n

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Solution for 300-12=n equation:


Simplifying
300 + -12 = n

Combine like terms: 300 + -12 = 288
288 = n

Solving
288 = 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.
288 + -1n = n + -1n

Combine like terms: n + -1n = 0
288 + -1n = 0

Add '-288' to each side of the equation.
288 + -288 + -1n = 0 + -288

Combine like terms: 288 + -288 = 0
0 + -1n = 0 + -288
-1n = 0 + -288

Combine like terms: 0 + -288 = -288
-1n = -288

Divide each side by '-1'.
n = 288

Simplifying
n = 288

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