Flashcard 4.1 Solving Linear Equations

Front

Solve x + 8 = 18

Back

x = 10

Front

Solve 5x + 5 = 25

Back

x = 4

Front

What is the solution of 5x - 7 = 3x + 9?

Back

x = 8

Front

What is the solution of 2(x + 2) = 20?

Back

x = 8

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What does 'solving for x' mean?

Back

Finding the value of x that makes the equation true.

Front

What is the first step in solving the equation x + 8 = 18?

Back

Subtract 8 from both sides.

Front

What is the principle of balance in equations?

Back

What you do to one side of the equation, you must do to the other side.

Front

What is the solution of the equation 3x + 2 = 11?

Back

x = 3

Front

How do you isolate a variable in an equation?

Back

Use inverse operations to get the variable alone on one side.