Question

Which value of x makes the equation 4x+9=x+6 true?

Answer 1

x=-1

Step-by-step explanation:

Given the equation:

`4x+9=x+6​`

First, we subtract 9 from both sides.

`\begin{gathered} 4x+9-9=x+6-9​ \\ 4x=x-3 \end{gathered}`

Next, we subtract x from both sides.

`\begin{gathered} 4x-x=x-x-3 \\ 3x=-3 \end{gathered}`

Finally, we divide both sides by the number beside x which is 3.

`\begin{gathered} (3x)/(3)=(-3)/(3) \\ x=-1 \end{gathered}`

The value of x that makes the equation true is -1.