уравнение (3500-x)÷2=1000

Question

уравнение (3500-x)÷2=1000

Answer 1

(3500-x):2=1000
(3500-x)=1000×2
3500-x=2000
x=3500-2000
x=1500
(3500-1500):2=1000
1000=1000
Ответ:1500