4x + 3y - 7 =0 4x - 3y - 1 =0 berapa jawaban nya

4x+3y=7
4x-3y=1
6y=6
y=1

4x+3.1=7
4x=7-3
4x=4
x=1

4x + 3y = 7
4x - 3y = 1
----------------  --
6y = 8
y= 4/3

4x + 3(4/3) = 7
4x + 4 = 7
4x = 3
x 3/4