Solving Linear Equations

Front

What is a linear equation?

Back

Front

How do you isolate a variable in a linear equation?

Back

To isolate a variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

Front

Solve the equation: 7x = 21

Back

x = 3

Front

Solve the equation: 10x = 90

Back

x = 9

Front

Solve the equation: 5x - 4 + 2x = 3

Back

x = 1

Front

What is the first step when solving the equation -11 = \frac{5z-3}{-2}?

Back

Multiply by -2.

Front

Solve for A in the equation W = \frac{A}{L}.

Back

A = WL.

Front

What does it mean to 'solve' an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the solution to the equation 3x + 5 = 20?

Back

x = 5.

Front

What is the slope-intercept form of a linear equation?

Back