Question

tìm X biết

X*8_X*5=72

Answer 1

X*8-X*5=72

suy ra X*(8-5)=72

suy ra X =72:3

suy ra X =24

Answer 2

x*8-x*5=72

x*(8-5)=72

x*3=72

x=72:3

x=24

Answer 3

x.8-x.5=72

x.(8-5)=72

x.3=72

=>x=24

t tôi nha bn

Answer 4

\(x\times8-x\times5=72\)

\(x\times\left(8-5\right)=72\)

\(x\times3=72\)

\(x=72:3\)

\(x=9\)

Answer 5

X x 8 - X x 5 = 72

X x ( 8 - 5 )   = 72

X x     3       =72

X                 = 72 : 3

X                 =     24