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Michelle P.
Math tutor for 8 years
Tutor Satisfaction Guarantee
Pre-Algebra
TutorMe
Question:

m + 9 = 87 Solve for m.

Michelle P.
Answer:

In order to solve for m, you must subtract 9 from both sides. m + 9 = 87 - 9 -9 __________ 0 78 m = 78 You can check your work by substituting 78 in for m in the original equation: m + 9 = 87 78 + 9 = 87

Basic Math
TutorMe
Question:

How many minutes are in one week?

Michelle P.
Answer:

In order to solve, you must break this down into how many minutes are in one hour, how many hours are in one day, and how many hours are in a week. 60 minutes 24 hours 7 days _________ X ________ X ________ 1 hour 1 day 1 week You must then multiply the numerators together and get 10, 080 minutes in 1 week.

Algebra
TutorMe
Question:

The sum of two numbers is 36. The difference is 8. What are the two numbers?

Michelle P.
Answer:

Let x be the first number. Let y be the second number. x + y = 36 x - y = 8 Now, solves the system of equations by elimination. Adding the left and right sides together give: x + x + y - y = 36 + 8 2x = 44 (Divide both sides by 2 to solve for x) x = 22 Since x + y = 36, 22 + y = 36 22 + y = 36 (Subtract 22 from both sides to solve for y) y = 14 The numbers are: x = 22, y = 14 x + y = 36 22 + 14 = 36

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