13y+15y-24=60 3z-2z+15=32 Помогите

Question

13y+15y-24=60
3z-2z+15=32
Помогите

Comments

13y+15y-24=6028y=60+2428y=84y=84:28y=3=================3z-2z+15=32z+15=32z=32-15z=17

Answer 1

13y+15y-24=60
28y=60+24
28y=84
y=84:28
y=3
=================
3z-2z+15=32
z+15=32
z=32-15
z=17

Comments

Спасибо