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Verified answer
Persamaan Garis Lurus.4y + 6x = 12
4y = -6x + 12
y = -3/2 x + 3 ← Bentuk y = mx + c
Sejajar gradien kedua garis sama (m₁ = m₂). m₁ = -3/2.
y = m₂ x + c
y = ax + 7 → a = m₂ = -3/2