Question

40÷2+800÷5=x÷3-40×2 trebuie aflat X

Answer 1

20
20+8005=x3−40×2
 160
20+160=x3−40×2
to 80
20+160=x3−80
180
180=x3−80
180+80=x3
 260
260=x3
260×3=x
780
780=x
x=780