Question

2x - 3y = -1
y =x -1
Substitution

Answer 1

x = 4 ; y = 3

Explanation:

2x - 3(x-1) = -1

2x - 3x + 3 = -1

- x = -1 - 3

- x = -4

x = 4

y = 4-1

y = 3