a) 14x + 27x = 65641x = 656x = 656 / 41x = 16
b) 81y - 38y = 64543y = 645y = 645 / 43y = 15
c) 102r - 4r = 196098r = 1960r = 1960 / 98r = 20
a) 14x + 27x = 656
41x = 656
x = 656 / 41
x = 16
b) 81y - 38y = 645
43y = 645
y = 645 / 43
y = 15
c) 102r - 4r = 1960
98r = 1960
r = 1960 / 98
r = 20