Trigonometry Examples

$3 x - 20 = - 2 x$

Step 1

Add $2 x$ to both sides of the equation.

$3 x - 20 + 2 x = 0$

Step 2

Add $3 x$ and $2 x$ .

$5 x - 20 = 0$

Step 3

The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.