Question

Решите уравнение 15х-8х=56 , 5t+2t=7

Answer 1

1)15х-8х=56
7х=56
х=56:7
х=8
2)5t+2t=7
7t=7
t=7:7
t=1

Answer 2

15x-8x=56
7x=56
x=8

5t+2t=7
7t=7
t=1