Question

решите уравнение (х+20)/5=6 2400/(с-12)=10

Answer 1

1) (х+20):5=6
×+20=6*5
×+20=30
×=30-20
×=10

Answer 2

С-12=2400:10

Answer 3

С-12=240

Answer 4

С=240+12

Answer 5

С=252

Answer 6

Спасибо