Multiple variables and non-variable terms must be combined to solve some problems.
\(What\,\,is\,\,x?\)
\(2x + 3 - 4x - 1 = 15\)
\(2x - 4x + 3 - 1 = 15\)
\(-2x + 2 = 15\)
\(-2x + 2 - 2 = 15 - 2\)
\(-2x + 0 = 13\)
\(-2x = 13\)
\(\dfrac{-2x}{-2} = \dfrac{13}{-2}\)
\(x = -\dfrac{13}{2} \)
