Question

aflati pe X: 4000:[3000-(3•X+700)•2]+6=10(• înseamnă x(ori))

Answer 1

4000:[3000-(3•x+700)•2]+6= 10
4000:[3000-(3x+700)•2]=4
3000-(3x+700)•2=1000
(3x+700)•2=2000
3x+700=1000
3x=300
x=100