Answer:
[tex]x=-3[/tex]
Step-by-step explanation:
[tex]9-2x=15[/tex]
Subtract 9 from both sides:
[tex]9-2x-9=15-9[/tex]
[tex]-2x=6[/tex]
Divide both sides by -2:
[tex]\frac{-2x}{-2}=\frac{6}{-2}[/tex]
You can simplify first
9 - 2 = 7 7x = 15 so 15 / 7 = 2.14285714286 so x = 2.14285714286
