Question

решите плизз уравнение и распишите

Answer 1

x*10=7890-890
x*10= 7000
x=7000:10
x= 700

10000:x=500*2
10000:x= 1000
x=10000:1000
x= 10

x:10=18035+1965
x:10= 20000
x= 20000*10
x=200000

100*x=98000:10
100*x=9800
x=9800:100
x= 98