What is the solution of the system of equations?
y = –2x + 5
y = –2x + 20

Question

What is the solution of the system of equations?
y = –2x + 5
y = –2x + 20

anonymous · Answer

no solution
	(1, 3)
	(0, 20)
	infinitely many solutions

pooja195 · Answer

Use substituion we already know the value of y right? 
Plug E1 into E2
-2x+5= –2x + 20
solve for x

anonymous · Answer

so is it like this -2(2)+5 = _2(2)+20

pooja195 · Answer

Well you cant solve the equation :) 
Add 2x to both sides.
−2x+5+2x=−2x+20+2x
5=20
Subtract 5 from both sides.
5−5=20−5
0=15

anonymous · Answer

sorry but I don't get it

pooja195 · Answer

Ok when you have 
m=m <---meaning 2 of the SAME numbers equaling each other it means that there are infinite solutions
m=1 <-----one solutions
m=n <---No solutions

pooja195 · Answer

in this case once we solve 
$$\huge~\rm~-2x+5= –2x + 20 $$
We get 0=15 therefore there are no solutions to this system of equations

anonymous · Answer

oh okay

pooja195 · Answer

Do you understand?

anonymous · Answer

yes I understood a bit, thanks

pooja195 · Answer

Let me know if anything is unclear :) 
And your welcome :)