Question

4[tex] 4 x+5 y=28
4 x+3 y =16[/tex]

Answer 1

4 x+ 5 y=28
4 x+ 3 y =16 /*-1

4 x+ 5 y=28
-4 x- 3 y =-16

2y=12
y=6

4x+3*6=16
4x+18=16
4x=-2
x=-2/4

Solution: y equals 6; x equals -0,5