Question

Aflati numarul x:

a) x supra 5=x+2 supra 15

b) x+5 supra 11=x supra 6

Va rog repede!!!! Daca stiti va rog sa-mi raspundeti!!!!

Answer 1

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
Coronita?