x-45=38x=38+45x=83
32-a=32a=32-32a=0
78:y=6y=78/6y=13
56:c=4c=56/4c=14
y•70=560y=560/70y=8
60•x=360x=360/60x=6
x-45=38
x=38+45
x=83
32-a=32
a=32-32
a=0
78:y=6
y=78/6
y=13
56:c=4
c=56/4
c=14
y•70=560
y=560/70
y=8
60•x=360
x=360/60
x=6