4×+y =26 4x +2y =30 tentukan × dan y

4x+y=26
4x+2y=30
_______ (-)
-y = -4
y = 4

4x+y=26
4x+4=26
4x = 22
x = 22/4
x = 5,5

[tex] {4x + y = 26} \\ {4x + 2y = 30} \\ y = 4 \\ \\ untuk \: x = - 4 \\ 4x + y = 26 \\ 4x+ 4 = 26 \\ 4x = 22 \\ x = \frac{22}{4} [/tex]