Question

How do you find the solution of the system of equations y=x+1 and y=2x−1?

Answer 1

Solution:Given:y=x+1...1

y=2x-1...2

Put the value of y from 1 in 2.

y=2x-1

x+1=2x-1

1+1=2x-x

x=2

Similarly,

y=x+1

y=2+1=3