Question

Solve the following simultaneous equations by elimination method
x + 2y = -1; 2x - 3y - 12
​

Answer 1

Step-by-step explanation:

multiply first by 2,

2x + 4y = -2

2x -3 y = 12

7y = -14

y = -2

put y in 1,

x -4 = -1

x = 3