Question

Решите уравнение:
8+2(x-7)=30

Answer 1

8+2(x-7)=30
8+2x-14=30
8+2x=44
2x=36
x=18

Answer 2

ты

Answer 3

2*(x-7)=2x-2*7

Answer 4

предположим x=8, значит

Answer 5

2*(8-7)=2

Answer 6

2*8-2*7=2