Question

6. Реши уравнения.
х * 8 = 25 + 15
(43 - 39)* x = 24
12 : x+ 10 = 13​

Answer 1

х * 8 = 25 + 15

8х=40

х=40:8

х=5

(43 - 39)* x = 24

4х=24

х=24:4

х=6

12 : x+ 10 = 13

12:х+10=13. х≠0

12/х+10=13

12/х=13-10

12/х=3

12=3х

3х=12

х=4. х≠0

х=4