What is x if x + 3y = 10 and y = 3? Choose the correct choice from the following answers:
A) 1	B) 2	C) 3	D) 4	E) 5
Substitute y by 3 in x + 3y = 10   x + 3(3) = 10   x + 9 = 10   If we substitute x by 1 in x + 9 = 10, we have 1 + 9= 
<gadget id="calculator">1 + 9</gadget>
<output>10</output>
10. Hence   x= 1 correct answer 1
<result>A</result>
What is x if x + 3y = 10 and y = 3?