Question

Solve the system.
y=x+1
y=-3x+13

x=
y=

Answer 1

x = 3
y = 4

Answer 2

As both equations are equal to y. Equate them both.

x + 1 = 13 - 3x
4x = 12
x = 3

Put x into any equation for y.
e.g. y = x + 1 -> (3) + 1 = 4
y=4