Question

X-y=-1
3x+2y=-13
berapa hasil dari eliminasinya????

Answer 1

X-y = -1
3x + 2y = - 13

menjadi

2x - 2y = -2
3x + 2y = -13
------------------- +
5x = -15
x= -3

x-y=-1
-3-y=-1
-3+1=y
y=-2

Answer 2

Eliminasi x. eliminasi y
x-y=-1 /x3 ™. x-y=-1 /x2
3x+2y=-13/x1 3x+2y=-13 /x1
3x-3y=-3 2x+2y=-2
3x+2y=-13 3x+2y=-13
y=-16 5x. =-15
x=-15:5=-3
hp={-16,3}