SOLUTION: solve the system of equation by graphing x+y=11 x-y=7

Algebra.Com
Question 103396: solve the system of equation by graphing
x+y=11
x-y=7

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

Looks like the lines intersect at x=9.
When x = 9, then using the first equation:



When x = 9, then using the second equation:



So the intersection point (solution) is (9,2).

RELATED QUESTIONS

Solve the system of equation by graphing. Im lost. x+y=7... (answered by solver91311)
Solve the system of linear equations by graphing . -x+y=7... (answered by stanbon)
Solve the system of equation by graphing x+y=4... (answered by dfrazzetto)
solve the system of equation by graphing x+y=8... (answered by mananth)
solve the system of equation by graphing. x+y=6... (answered by oscargut)
solve the system of equation by graphing. x+y=7 y-x=7 The solution set of the system (answered by Alan3354)
Solve the following system of linear equations by graphing. x+y=9... (answered by MathLover1)
Solve the system of equations by graphing 2y=5x+11... (answered by jim_thompson5910)
solve the system of equation by graphing y=2x-1... (answered by Alan3354)