Question

(4, 3) is a solution to the following system of equations:

2x+y=11
y=x−1

True or false?

Please explain in detail, thank you!

Answer 1

The first answer is true and the second answer is true as for how this actually is just plug in the numbers

x=4, y=3

2(4)=8 8+3=11

4-1=3