Question

$10x + 2y = 4 \\ 15x + 4y = - 2$
elimination method ​

Answer 1

Answer:

20x + 4y = 8

15x + 4y= - 2

Subtract the above equations

5x = 10

So x = 10/5 = 2

20x + 4y = 8

4y = 8 - 40

So y = - 32/4 = - 8