bantu yaa nomor 33 sama 35 pliss, dikumpul besok!!

3x -2y = -7 |x1|
2x + y = 7 |x2|

3x -2y = 7
4x + 2y = 14 eliminasi jadinya
7x = 21
x =3 , y = 1
no 35
x = 2y+10
x+2y = 4 subtitusi
2y+10+2y = 4
4y = -6
y = -3/2
brarti x nya x = 7