Questions on Algebra: Systems of Linear Equations answered by real tutors!

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Question 168298This question is from textbook Elementary and Intermediate Algebra, 3e
: Elementary and Intermediate Algebra, 3e ISBN: 9780073533490
Page 487 Number 1
Solve the system by graphing.
1.
x + y = 4
y = 2x + 1This question is from textbook Elementary and Intermediate Algebra, 3e
: Elementary and Intermediate Algebra, 3e ISBN: 9780073533490
Page 487 Number 1
Solve the system by graphing.
1.
x + y = 4
y = 2x + 1
Answer by stanbon(19721) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the system by graphing.
1.
x + y = 4
y = 2x + 1
---------------
y = -x+4
y = 2x +1
---------------
Graph:
graph(400,300,-10,10,-10,10,-x+4,2x+1)
Ans: (1,3)
------------------
Cheers,
Stan H.