Question

Solve for x.
20x - 2 = 18x - 4

Answer 1

x=-1

Answer 2

\[20x-2=18x-4\]
\[20x-18x=-4+2\]
\[2x=-2\]
\[x=\frac{-2}2\]
\[x=-1\]

Answer 3

20 x-2 = 18 x-4
Add (2-18 x) to both sides:
2 x = -2
Divide both sides by 2:
x = -1