Hey! So I'm completely lost on figuring out how to solve system of equations. I'm researched it everywhere and I just can't seem to figure out how to do this. Here are some specific questions I need help with.
Solve the system of equations using the graphing method. What does the graph look like?
y = x
y = (-2/3)x + 5
a) 2 lines intersecting at (3,3)
b) 2 lines intersecting at (-3,-3)
c) 2 lines intersecting at (2,2)
d) 2 lines intersecting at (-2,-2)
Solve this system of equations:
x = 2y - 8
4x + y = 13
What is the correct first step to solve this system of equations?
4x - 3y = -10
2x + 3y = 4
a) add the 2 equations together
b) subtract the 2 equations
c) multiply the second equation by 3
d) divide the first equation by 4
I'd really appreciate if someone could explain to me how to do these problems and how to solve system of equations in general. Thanks so much!