6x+9=2x+13 solve for x

Cullub asked Mar 6, 2023

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Cullub asked Mar 6, 2023

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20 votes

The given equation is

First, we subtract 2x on each side.

$\begin{gathered} 6x+9-2x=2x-2x+13 \\ 4x+9=13 \end{gathered}$

Then, we subtract 9 on each side.

$\begin{gathered} 4x+9-9=13-9 \\ 4x=4 \end{gathered}$

At last, we divide the equation by 4.

$\begin{gathered} (4x)/(4)=(4)/(4) \\ x=1 \end{gathered}$

Szymon Toda answered Mar 12, 2023

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