Question

Help .Nu știu ex 1 !

Answer 1

a)-x=0.3-1
   -x=-0.7
    x=0.7
b)x=4-3.56
   x=0.44
c) -x=9-10.4
   -x=-1.4
    x=1.4
d)x=8.25-7.5
   x=0.75
e)x=4.2-3.56
   x=0.64
f)x=7.7-7
  x=0.7
g)x=1+8.31
   x=9.31
h) 2.5x=0.25
     x=0.1