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About Sherman D.
Expertise
I can answer questions dealing in mathematics of all kinds except for Physics and Calculus, but i can answer questions in Pre-Calculus and Chemistry. I can also answer questions in Recipes of all kinds. I can find games cheats/walkthroughs, but i can`t find a specific game online or offline. I can also do history and recipes for alcoholic beverages.

Experience
Mathematics, Recipes, History, and Games.

Education/Credentials
High School graduated. I graduated with honors, and i was in Beta Club for a year and a half.

Awards and Honors
Principle's list and A and B honor roll in high school only.

You are here: Experts > Science > Mathematics > Advanced Math > Modulus function

Advanced Math - Modulus function

Expert: Sherman D. - 6/9/2007

Question
Solve the equation: |3x + 2| = 1

Answer
|3x + 2| = 1

this can be rewritten as

±(3x + 2) = 1
3x + 2 = ±1
3x = -3 or -1
x = -1 or (-1/3)

just make sure that if it were

|3x + 2| = -1
that you can't have a |3x + 2| that will equal -1 because |3x + 2| is always the distance from 0 and distance is always postive.

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