Question

Find a common solution for each system of equations. y=x-1 y=2x-5

Answer 1

y=x-1

y=2x-5​

Put y=x-1 into the second equation:

x-1=2x-5

Solve for x:

-1+5= 2x-x

4= x

Replace x=4 on any equation and solve for y:

y=x-1

y=4-1

y=3

Solution

x=4

y=3