<PRE><B>Question 349803</B>
BIG TIP: Post one question at a time or else no will reply.


If x-5=2, what is the value of 3x-5? 


x - 5 = 2


x = 2 + 5


x = 7

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Let x = 7


3x - 5 =


3(7) - 5 =


21 - 5 = 16


Post the other two questions separately.</PRE>