a) x = -2
Y = 3(-2)+1Y = -6 + 1Y = 12
Therefore, when x = -2, y = 12.
б) y = -3
3x + 18 = -3x = -2x = -7
Therefore, when y = -3, x = -7.
a) x = -2
Y = 3(-2)+1
Y = -6 + 1
Y = 12
Therefore, when x = -2, y = 12.
б) y = -3
3x + 18 = -
3x = -2
x = -7
Therefore, when y = -3, x = -7.