Question

Rezolvăm ecuaţiile cu modul:
a) |2x-3|=8
b) |x|+4|=2.8
c) 1.5+x=2
d) 2x-3=-2
e) 7.2:x=3.6

Answer 1

a)2x-3=8|+3
2x=11|:2
x=5.5
c)1.5+x=2|-1.5
x=0.5
d)2x-3=2|+3
2x=5|:2
x=2.5
e)7.2:x=3.6
x=7.2:3.6
x=2