Question

tìm y:a)y-6:2-(48-24x2:6-3)=0 b)(7x13+8x13):(9 2/3-y)=39

Answer 1

a: =>y-3-(48-48:6-3)=0

=>y-3-48+8+3=0

=>y-40=0

hay y=40

b: =>15x13:(29/3-y)=39

=>29/3-y=5

hay y=14/3