# 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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