Trigonometry Examples

$x + \frac{4}{2} = 20$

Step 1

Divide $4$ by $2$ .

$x + 2 = 20$

Step 2

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

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Step 2.1

Subtract $2$ from both sides of the equation.

$x = 20 - 2$

Step 2.2

Subtract $2$ from $20$ .

$x = 18$