Answer:
x = 6
Explanation:
x / 6 = (x + n) / (6 + n)
Cross multiply:
x (6 + n) = 6 (x + n)
Distribute:
6x + nx = 6x + 6n
Subtract 6x from both sides:
nx = 6n
n≠0, so divide both sides by n:
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