Question

Solve the system of equations

Answer 1

0= 2x + 2
-2 = 2x
2/-2 = -1

The answer is -1

Answer 2

$y = 2 \times + 2 \\ y = 0 \\ \\ 0 = 2 \times + 2 \\ - 2 \: \: \: \: \: \: \: \: \: - 2 \\ - - - - - - \\ - 2 = 2x \\ - - \: \: - - \\ \: \: 2 \: \: \: \: \: \: \: \: \: \: \: 2 \\ \: \: \: \: \: 1 = x$