Question

The system shown has _____ solution(s).

y = x + 1
2y - x = 6

Answer 1

y = x + 1...so sub in x + 1 for y in the other equation

2(x + 1) - x = 6
2x + 2 - x = 6
x = 6 - 2
x = 4

y = x + 1
y = 4 +
y = 5

one solution at (4,5)