bantu aku yaa teman-teman

x+2y = 8     [×3]    3x+6y=24
3x-4y = -26 [×1]    3x-4y=-26
(3x+6y=24) - (3x-4y=-26)
10y = 50
y = 50/10
y = 5 (q)

x+2y=8
x+(2×5)=8
x+10=8
x=8-10
x=-2 (p)

4p+3q
= 4x+3y
= 4.-2 + 3.5
= -8 + 15
= 7 (c)