Răspuns :
a)x+5= 208
x=208-5
x=203
b)x+7=404
x=404-7
x=397
c)x-3=270
x=270+3
x=273
d)x+2=238
x=238-2
x=236
e)x-9=55
x=55+9
x=64
x=208-5
x=203
b)x+7=404
x=404-7
x=397
c)x-3=270
x=270+3
x=273
d)x+2=238
x=238-2
x=236
e)x-9=55
x=55+9
x=64