Question

Rezolvati ecuatiile:
a)(2,4x+5)*1,9=27.74
b) x-2,25 +4,75
c)33,7-x=25,91
d)1,44 /x=1,2
e)x/0,73==2,9

Answer 1

a)4.56x+9.5=27.74
  4.56x=27.74-9.5
 4.46x=18.24
 x=18.27/4.46
 x=4.08
c) x=25.91-33.7
  x=7.79
d)1.2x=1.44
x=1.44/1.2
x=1.2
e)2.9x=0.73
x=0.73/2.9
x=0.25