Question

Somebody else help me with the cozion one and two can you help me with three and four

Answer 1

Okay, here we have this:

Considering the provided equations, we are going to solve it, so we obtain the following:

Equation 3:

$\begin{gathered} 4x+9=2x+6 \\ 4x=2x-15 \\ 2x=-15 \\ x=-\frac{15}{2} \\ x=-7.5 \end{gathered}$

Equation 4:

$undefined$