Question

Use substitution to solve this simultaneous equation y = x + 1 x+ y = 3​

Answer 1

Explanation:

y= x + 1

x + y = 3

x + x + 1 = 3

2x + 1 = 3

2x = 2

x = 1

1 + y = 3

y = 2

(1, 2)