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Tutor profile: Kristen A.

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Kristen A.
Tutor for 2 years
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Questions

Subject: Pre-Calculus

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Question:

Complete the following problem to practice algebra simplification. -2(x+10)=10+10

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Kristen A.
Answer:

Follow the rules of pemdas and simplifying. You can add the 10+10 to get 20. Everything inside the parenthesis remains the same. Distribute -2 to the x and the 10. On the left of the equal sign you result in, -2x-20=20. Add 20 to both sides to get -2x=40. Divide -2 by both sides to get x=-20.

Subject: Pre-Algebra

TutorMe
Question:

Solve the following equation, -4x=20.

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Kristen A.
Answer:

You would divide -4 from both sides of the equation. -4 divided by -4 cancels and 20 divided by -4 would result in -5. So x=-5

Subject: Algebra

TutorMe
Question:

Solve the following equation that has one variable. -5x+20=25

Inactive
Kristen A.
Answer:

You would subtract the 20 from both sides. You would be left with -5x on one side and 5 on the other side of the equal sign. Divide -5 from both sides to get x=-1 as your answer. You can check by plugging in -1 for x.

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