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How many solutions does 3 (x-1)=x+7 have
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4 votes
How many solutions does 3 (x-1)=x+7 have

User Erando
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8.2k points

2 Answers

1 vote
3x -1 = x + 7 and collect like terms
3x-x = 7+1
2x=8
X=5
User Mike Rouse
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8.3k points
4 votes
Do you know how to solve algebra? If so just solve for X. If you get an invalid equation then 0 solutions, if you get x equaling 1 number then 1 solution, if you get x equaling 2 numbers then 2 solutions, and so on.
User Toivo Henningsson
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8.7k points
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