Question

solve 8 x minus 2 y equal to 28 and X + 4 y equal to minus 5​

Answer 1

Answer:

x=3. y=-2

Step-by-step explanation:

$8 x - 2y = 28 \: \: \: \: \: \: divide \: by \: 2 \\ 16x - 4y = 56 \: \: \: \: \: \: 1eq \\ x + 4y = 56 \: \: \: \: \: \: 2eq \\ divide \: eq1 \: n \: 2 \\ we \: get \\ 17x = 51 \\ x = 3 \\ substitute \: x \: value \: in \: eq2 \\ we \: get \: y = - 2$