Question

Alguien que me las resuelva porfiss

•3x+12x=95

•26x=240

•9-27z-5=40

Answer 1

•3x+12x=95

15x=95

X=95/15

X=19/3

•26x=240

X=240/26

X=120/13

•9-27z-5=40

-27z=40-9+5

-27z=36

Z=-36/27

Z=-4/3