What is x if x + 5y = 24 and y = 2?  Pick.
A) 1 B) 3 C) 5 D) 7 E) 14
Substitute y by 2 in x + 5y = 24   x + 5(2) = 24   x + 10 = 24   If we substitute x by 14 in x + 10 = 24, we have 14 + 10= 
<gadget id="calculator">14 + 10</gadget>
<output>24</output>
24. Hence   x= 14 correct answer 14
<result>E</result>
What is x if x + 5y = 24 and y = 2?