SOLUTION: A student is asked to subtract the quantity(3x–2)from the quantity(3x+3h–2) and writes
3x + 3h − 2 − 3x − 2 = 3h − 4.
Explain what the student did wro
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Question 1085032: A student is asked to subtract the quantity(3x–2)from the quantity(3x+3h–2) and writes
3x + 3h − 2 − 3x − 2 = 3h − 4.
Explain what the student did wrong. What is the correct solution?
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
(3x+3h-2) – (3x-2)
Rewrite and group like terms:
3x-3x-2--2+3h note that the --2 turns into +2 since -- = +:
3x-3x-2+2+3h
3x and -3x cancel each other
-2 and +2 cancel each other, and you get:
3h
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