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1) 3x - 2y = - 4
2) 2x + y = 2
Despejo y en 2
2x + y = 2
y = 2 - 2x
Sustituyo y en 1
3x - 2y = - 4
3x - 2 (2 - 2x) = - 4
3x - 4 + 4x = - 4
3x - 4x = - 4 + 4
- x = 0
x = 0
Sustituyo el valor de x en el despeje de y
y = 2 - 2x
y = 2 - 2 (0)
y = 2 - 0
y = 0
x = 0
y = 2