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2. m=8/3
3.y+3x=8
= x(2x + 1) - 3(2x + 1)
= (x - 3) (2x + 1)
2) m = -a/b
= -8/-3
= 8/3
3) y + 3x = 2
m₁ = -a/b
= -3/1
= -3
m₁ = m₂
-3 = m₂
y - y₁ = m(x - x₁)
y - (-1) = -3(x - 3)
y + 1 = -3x + 9
y = -3x + 9 - 1
y = -3x + 8