6x - 2y = 6 6x - 2(5x - 7) = 6 6x - 10x + 14 = 6 -4x = -8
5x - y = 7 y = 5x - 7 y = 5x - 7 y = 5x - 7
x = 2 x = 2
y = (5 · 2) - 7 y = 3
6x - 2y = 6 6x - 2(5x - 7) = 6 6x - 10x + 14 = 6 -4x = -8
5x - y = 7 y = 5x - 7 y = 5x - 7 y = 5x - 7
x = 2 x = 2
y = (5 · 2) - 7 y = 3