Answer: [tex]x=15[/tex]
Move all terms containing x to the left, all other terms to the right
Add 18 to each side of the equation
[tex]-18 + 18 + x = -3 + 18[/tex]
Combine like terms: -18 + 18 = 0
[tex]0 + x = -3 + 18\\x = -3 + 18[/tex]
Combine like terms: -3 + 18 = 15
[tex]x=15[/tex]
