Question

solve by elimination method X+y=18 ,2x+y=6​

Answer 1

Answer:

$x = - 12 \: \: \: \: \: \: y = 30$

Step-by-step explanation:

$x + y = 18 \\ y = 18 - x \\ \\ 2x + y = 6 \\ 2x + 18 - x = 6 \\By\:\: Elimination\: method\\\\\:x = - 18 + 6 = - 12 \\ \\ \\ y = 18 + 12 = 30 \\ \\ \\ x = - 12 \: \: \: \: \: \: y = 30$