1.3x+2y=30 x= 4x+3y=30 y= 2.2p+4q=50 p= 2p=29=40 q=

1. 3x + 2y = 30 x =?
3x = 30 - 2y
x = 30/3 -2/3y
x = 10 - 2/3y
4x + 3y = 30 y =?
3y = 30 - 4x
y = 30/3 - 4/3x
y = 10 - 4/3x
2. 2p + 4q = 50 p =?
2p = 50 - 4q
p = 50/2 - 4/2q
p = 25 - 2q
Maaf kalau salah