Question

aflati x: a) x-10,6=40,01-12,5 b) 3,1.x=1,24 c) x:1,2=0,7 d) (2x-1):1,75=0,4

Answer 1

a)x-10.6=40.01-12.5
x-10.6=27.51
x=27.51+10.6
x=38.11
b)3.1*x=1.24
x=1.24:3.1
x=0.4
c)x:1.2=0.7
x=1.2*0.7
x=0.84
d)(2x-1):1.75=0.4
2x-1=0.4*1.75
2x-1=0.7
2x=0.7+1
2x=1.7
x=1.7:2
x=0.85
Vezi ca am folosit . in loc de virgula