Question

Tolong bantu jawab no 20 yaa pliss

Answer 1

2x=5y
x=5y/2

3x+4y=-46
3(5/2)y+4y=-46
23/2y=-46
y=-4

x=5/2(-4)=-10

4x-3y=4(-10)-3(-4)=-28

maaf klo slah