-2x + 3y=7 dan 5x + 8y = -2 tentukan SPUDV

-2x + 3y = 7 (x 5) -10x + 15y = 35
5x + 8y = -2 (x -2) -10x + -16y = 4
---------------------- -
31y = 31
y = 1
substitusi
5x + 8 (1) = -2
5x + 8 = -2
5x = -2 - 8
5x = -10
x = -2

HP = {-2, 1}

-2x + 3y = 7
3y = 7 + 2x
y = 7 + 2x /3

5x + 8y = -2
5x + 8( 7 + 2x /3) = -2
5x + 56 + 16x /3 = -2
_______________×3
15x + 56 + 16x = -6
31x = -6 - 56
31x = -62
x = -62 /31
x = -2


y = 7 + 2x /3
y = 7 + 2(-2) /3
y = 7 + (-4) /3
y = 3/3
y = 1

(-2,1)