Question

Решите уравнения 7x-x=360  
5x+x-2x=28
8y-3y-y=36

Answer 1

7x-x=360

6х=360

х=360:6

х=60

5x+x-2x=28

4х=28

х=28:4

х=7

8y-3y-y=36

4y=36

y=9