Question

Is the coordinate (1, 2) a solution to the system?
y = x + 1
2x - y = 0

Answer 1

yes it is

Answer 2

just plug in

Answer 3

2=1+1
2(1)-2=0

Answer 4

dunno lets check
\[2=1+1\checkmark
\\2\times 1-2=0\checkmark
\]

Answer 5

Thank you!

Answer 6

np:)