a number decreased by seven is four
Let x be the number
x - 7 = 4x−7=4
Solution :
\begin{gathered}x - 7 = 4 \\ \\ x = 4 + 7 \\ \\ x = 11\end{gathered}x−7=4x=4+7x=11
Check to verify :
\begin{gathered}11 - 7 = 4 \\ \\ 4 = 4\end{gathered}11−7=44=4
Hence the answer or the value of x is 11.
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