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Tutor profile: Mandy B.

Inactive
Mandy B.
Tutor for 12 years; Educational Director and student counselor for 7 years
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Questions

Subject: Linear Algebra

TutorMe
Question:

Solve using substitution 3x+y= -3 x= -y+3

Inactive
Mandy B.
Answer:

Insert the value of x into the first equation 3( -y+3) + y = -3 -3y+9+y=-3 -2y=-12 y=6 Insert the value of y into an original equation to find the value of x x= -3

Subject: Basic Math

TutorMe
Question:

Estimate the sum of 457+62 using front end estimation

Inactive
Mandy B.
Answer:

500+60=560

Subject: Algebra

TutorMe
Question:

The sum of 3 times a number and 23

Inactive
Mandy B.
Answer:

3(x+23)

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