Question

7 m+m-12=28
И ещё
16t-t+5=50
Решить уравнения

Answer 1

7 m+m-12 = 28
8m = 28 +12
8m = 40
m = 40 : 8
m = 5


16t-t+5 = 50
15t = 50 - 5
15t = 45
t = 45 : 15
t = 3