Question

AJUTOR RAPID DAU COROANA


aflati nr natural x din proprtiile


a. x supra 5 = x plus 2 supra 15

b. 2x minus 1 supra x plus 3 = 5 supra 6

Answer 1

Răspuns:

x\5=x+2\5=>15x=5(x+2)

=>15x=5x+10

=>10x=10

=>x=10:10

=>x=1

b)x+5\11=x\6=>6(x+5)=11x

=>6x+30=11x

=>5x=30

=>x=30:5

=>x=6