Trigonometry Examples

$x + x + 20 + 210 - 3 x = 18$

Step 1

Simplify $x + x + 20 + 210 - 3 x$ .

Tap for more steps...

Step 1.1

Add $x$ and $x$ .

$2 x + 20 + 210 - 3 x = 18$

Step 1.2

Subtract $3 x$ from $2 x$ .

$- x + 20 + 210 = 18$

Step 1.3

Add $20$ and $210$ .

$- x + 230 = 18$

Step 2

Move all terms not containing $x$ to the right side of the equation.

Tap for more steps...

Step 2.1

Subtract $230$ from both sides of the equation.

$- x = 18 - 230$

Step 2.2

Subtract $230$ from $18$ .

$- x = - 212$

Step 3

Divide each term in $- x = - 212$ by $- 1$ and simplify.

Tap for more steps...

Step 3.1

Divide each term in $- x = - 212$ by $- 1$ .

$\frac{- x}{- 1} = \frac{- 212}{- 1}$

Step 3.2

Simplify the left side.

Tap for more steps...

Step 3.2.1

Dividing two negative values results in a positive value.

$\frac{x}{1} = \frac{- 212}{- 1}$

Step 3.2.2

Divide $x$ by $1$ .

$x = \frac{- 212}{- 1}$

Step 3.3

Simplify the right side.

Tap for more steps...

Step 3.3.1

Divide $- 212$ by $- 1$ .

$x = 212$