SOLUTION: 3y-6+7y-4=

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Question 259501: 3y-6+7y-4=
Answer by mathbath(13) About Me  (Show Source):
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3y-6+7y-4
= 3y + 7y - 6 - 4 --> (Re-arranging the figures)
= y(3 + 7) - (6 + 4 ) --> (Since y is common between 3 and 7)
= y(10) - (10)
= 10y - 10
= 10(y - 1) --> (Since 10 is common)
So,
3y - 6 + 7y - 4 = 10(y - 1)