(2x-4).(3-x) 720 : [ 41-(2x-5)]=22.5 15-x=7-(-2)
a) x – 36 : 18 = 12 – 15
b) 92 – (17 + x) = 72
c) 720 : [41 – (2x + 5)] = 40
d) (x + 2)3 - 23 = 41
tìm x biết 720 : [ 41- (2x -5) ] = 2^3 .5
720:[41-(2x-5)]=23 x 5
720:(41-2x-5)=23,5
Tìm x
Tìm x biết 720:[41-(2x-5)]=120
tim x
720:[41-(2x-5)]=23.5
Tìm x
720 : [ 41- (2x-5)]= 23.5
720 : (41 - ( 2x -5 ) = 23 x 5