3x + 6y = 12 ∴ x + 2y = 4
∴ x = 4 - 2y
if x = 0, then:
0 = 4 - 2y
∴ 2y = 4
∴ y = 2
So the x intercept for that line is at point (0, 2)
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2x-12
3x+8 = 12 3x = 4 x = 4/3
3x+42=6x+12 42=6x-3x+12 42=3x+12 42-12=3x 30=3x 10=x
Point slope equation: Y=3X+12
7x = 3x - 12 4x=-12 x=-3