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How many solutions does 7x - 1 = 2x - 1 + 5 have?
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3 votes
How many solutions does 7x - 1 = 2x - 1 + 5 have?

User Akhanubis
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1 Answer

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Since this equation seems to be of first degree polynomials, it should have only one solution, we can solve for x to see that:


\begin{gathered} 7x-1=2x-1+5 \\ 5x=1-1+5 \\ 5x=5 \\ x=1 \end{gathered}

So, the expression indeed have only one solution.

User Bav
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