x = ay + b
so use the data given and you have
10a+b=24
14a+b = 36
subtract and you get
a=3, so b = -6
when y=5,
5*3 - 6 = 9
X is partly constant and varies partly as y.when y=10,x=24and when y=14,x=36find x when y is 5
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