SOLUTION: The following lists the steps a student uses to solve a system of eqatuions. but an error has been made. Fing and describe the error and correct the answer.
3x-y=14
2x+y=16
_
Algebra.Com
Question 126666This question is from textbook Introductory Algebra
: The following lists the steps a student uses to solve a system of eqatuions. but an error has been made. Fing and describe the error and correct the answer.
3x-y=14
2x+y=16
_________________
5x=20
x=4
3x-y=4
3(4)-4
y=4-12
y=-8
The solution is (4,-8)
This question is from textbook Introductory Algebra
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
5x=30
RELATED QUESTIONS
student tickets to a movie are $1 and non-student tickets are $2. 350 tickets are sold... (answered by Cromlix)
I made an error in my submission. Please see this one. Sorry!
Consolidate Shirt Works... (answered by stanbon,solver91311)
Solve the following word problem. Be sure to show the equation you use for the solution... (answered by checkley75)
A student says that the system consisting of x=0, y=0, and z=0 has no solutions. Explain (answered by solver91311,Edwin McCravy)
a school has 220 boys and 280 girls fing the ratio of boys to girls
(answered by solver91311)
I think of a number and add 4 the result is 10.Fing the number
FORM AN... (answered by satyareddy22)
A common mistake when solving equations is the following:
The equation:... (answered by mathdoc314)
PLEASE I NEED ANSWERS
1. Solve the following system. Verify the solution.
y = 4x... (answered by josgarithmetic)
A student graphs the system below. Describe and correct the student’s error.
x−y≥3
(answered by ikleyn)