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15-4x=3 what is the value of x

User KaFu
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You have to solve the given expression for x. To do so, you have to isolate the x-term on one side of the equal sign.


15-4x=3

- First, subtract 15 to both sides of the equation to pass the term to the right side of the equal sign:


\begin{gathered} 15-15-4x=3-15 \\ -4x=-12 \end{gathered}

-Second, divide both sides by -4 to cancel the multiplication on the x-term and determine the value of x:


\begin{gathered} (-4x)/(-4)=(-12)/(-4) \\ x=3 \end{gathered}

User Idan Wender
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