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Mathematics 40 Online
Kachirikutoka:

How many solutions does the following equation have? |3x + 12| = 18 a No solution b One solution c Two solutions d Infinitely many solutions

Vocaloid:

Notice the absolute value signs. If |3x + 12| evaluates to 18, that means the contents inside the abs value signs can either be -18 or 18. So if 3x + 12 can equal 18 **or** -18 how many solutions are there for x?

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