SOLUTION: 1. What is the point of intersection of 2x+y=5 and x-3y=7?
This is what I have so far:
5+7=12
3x/3=12/3=4
4-3y=7
=
Algebra.Com
Question 1020507: 1. What is the point of intersection of 2x+y=5 and x-3y=7?
This is what I have so far:
5+7=12
3x/3=12/3=4
4-3y=7
=
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
I'm not sure what you've done so far.
Use eq. 1 to get an expression for y and substitute into eq. 2,
Substituting,
Then use either equation to solve for y.
.
.
.
Graphical confirmation of the solution.
.
.
.
.
RELATED QUESTIONS
Find the equation in the form y=mx+b
through (2,-3) and ( -3,4)
This is what i got... (answered by Alan3354)
Please help me solve this substitution problem.
3(x-y)=15
2x+y=7
The question I have... (answered by MathTherapy)
What is the solution to 1. y = 3x – 8
y = 4 – x
2. x + y = 0
3x + y = -8
(answered by Alan3354)
1) 1/2q-5>3Q
This is what i have so far and am stuck.
1q-5>3q
2) 13x-5=x+1
3)Not... (answered by stanbon)
Please help me, this is part of a test that I have to get done. Thank you!
What... (answered by rapaljer)
Give the x -intercept and y -intercept of the following.
1. 4x – y = 16
2. 2x + 3y (answered by lynnlo)
I am having a very hard time understanding college algebra. Can anyone help me solve... (answered by khwang)
1. What is the equation of a line that passes through points (-1, 2) and (5, 2)?
y - 2... (answered by ewatrrr,MathLover1)
Systems of Equations
1. Solve the following problems for X and Y i these two system... (answered by Alan3354)