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Tutor profile: Amy D.

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Amy D.
Teaching for 13 years
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Questions

Subject: Pre-Algebra

TutorMe
Question:

Combine like terms to simplify the expression: 3m + 6k + 4 - 2m + 3k

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Amy D.
Answer:

When combining like terms you are look for terms (sections of the problem) that have the same variable (letter) You would be able to combine: 3m -2m 6k + 3k 4 The simplified answer would be 1m + 9k + 4

Subject: Basic Math

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Question:

What is 4/5 divided by 1/3?

Inactive
Amy D.
Answer:

To divide fractions it is helpful to remember KCF-Keep Change Flip You KEEP the first fraction, what you have to begin with You CHANGE the division sign to a multiplication sign You FLIP the second fraction (it reciprocal) So the problem would be: 4/5 x 3/1 Multiply the numerators (top numbers) 4 x 3 = 12 Multiply the denominators (bottom numbers) 5 x 1 = 5 So your answer is 12/5 but we need to change that into a mixed number so the answer is 2 whole and 2/5 left over. 2 and 2/5

Subject: Algebra

TutorMe
Question:

What is the solution for the equation? 3x + 7 = 11x + 15

Inactive
Amy D.
Answer:

The first step to solving multi-step equations is to get rid of any parentheses and combine any like terms on either side of the equal sign. In this problem, there are not any parentheses or like terms so you get to skip that step! 3x + 7 = 11x + 15 -3x -3x ________________ 7 = 8x + 15 -15 -15 _________________ -8 = 8x ___ __ 8 8 -1 = x

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