Algebra Examples

$y - 2 (x + 9) = 0$

Step 1

Solve the equation for $y$ .

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Step 1.1

Simplify each term.

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Step 1.1.1

Apply the distributive property.

$y - 2 x - 2 \cdot 9 = 0$

Step 1.1.2

Multiply $- 2$ by $9$ .

$y - 2 x - 18 = 0$

Step 1.2

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

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Step 1.2.1

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

$y - 18 = 2 x$

Step 1.2.2

Add $18$ to both sides of the equation.

$y = 2 x + 18$

Step 2

A linear equation is an equation of a straight line, which means that the degree of a linear equation must be $0$ or $1$ for each of its variables. In this case, the degree of variable $y$ is $1$ and the degree of variable $x$ is $1$ .

Linear