Question

(x-140):7=3³-2³.3

Answer 1

(x-140):7=3³-2³.3

(x-140):7=27-8.3

(x-140):7=27-24

(x-140):7=3

x-140=3.7

x-140=21

x=21+140

x=161

**** nhé

 

Answer 2

chào                             

Answer 3

(x-140):7=33-23.3

(x-140 ) :7= -36

( x- 140 ) = -36.7

( x- 140 ) = - 252

x= -252 +140 

x= -112