Răspuns :
a)(x:2)+75=83
x:2=83-75
x=8x2
x=16
b) (x:4)+43=50
x:4=50-43
x=7x4=28
x:2=83-75
x=8x2
x=16
b) (x:4)+43=50
x:4=50-43
x=7x4=28
a) a:2 + 75 = 83
a:2 = 8
a = 16
b) b:4 + 43 = 50
b:4 = 7
b = 28
a:2 = 8
a = 16
b) b:4 + 43 = 50
b:4 = 7
b = 28