SOLUTION: If x=42 How do I start this question? (3x+5)-7=

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Question 543593: If x=42
How do I start this question?
(3x+5)-7=
Answer by IFY(62) About Me  (Show Source):
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3X + 5 - 7
3X -2
3 (42) - 2
126 - 2
124 ..........................ANSWER