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a) 7l - 15 = 6
b) 3j -18=3
c) 5k+7=32
d) 9m+11=74
e) 6n+12=72
f) 7r-8=41
j) 6q-12=84
h) 3k+7=46
I) 5m+12=72
k) 9n+9=72
l) 6r-8=40
m) 11q-10=89