Hi

by adding...we find the point the two lines may have in common.

4x+y= 7 

 x-y=-2

5x = 5

 x = 1  

4x+y= 7 

4*1+y= 7 

   y = 3

Lines intersect at Pt(1,3)which is the solution for the system

 

 

RELATED QUESTIONS

Hello! :)
Can anyone explain me on what will be the result in this question :) thank you
 (answered by Cromlix)

Hello! I am trying to solve a problem and not sure if its correct. The equation is y=... (answered by jim_thompson5910,stanbon)

Solve the following system of equations algebraically. 
y = -x^2 + 3
y = -4x + 7
 (answered by Mathtut)

If (x,y) satisfies the simultaneous equations

3xy - 4x^2 + 18y - 24x + 5x^2*y - 8y^3 +  (answered by CPhill)

Solve this system of equations:

y=x^2-2x-1
y=-x^2+4x-1

 (answered by farbonara)

what is the solution of the following system of equations:
x^2-y=4... (answered by Alan3354)

what is the answer to y=x+2 & y=2x+7 this is systems of linear... (answered by stanbon)

What is the points of intersection of these equations

y=x+3... (answered by Edwin McCravy)

How do you solve the following problems using the substitution method? The end result... (answered by stanbon)