persamaan garis melalui M(2,-3)dan bergradien 2 adalah... A. x+2y=-4 B. x-2y=8 C.2x-y=7 D. 2x+y=1

y - y1 = m(x - x1)
y - (-3) = 2(x - 2)
y + 3 = 2x - 4
y = 2x - 4 - 3
y = 2x - 7
y - 2x = - 7
- y + 2x = 7
2x - y = 7

opsi C