Question

5x+2y=2,2x+3y=-8 solve the simultaneous equation

Answer 1

5x + 2y = 2 --> y = 1 - 2.5x

----------

2x + 3(1 - 2.5x) = -8

2x + 3 - 7.5x = -8

- 5.5x = -11

x = 2

----------

y = 1 - 2.5(2) = 1 - 5 = -4