One Variable Equations and Inequalities

Front

Translate: Four times a number plus six IS 30.

Back

4x + 6 = 30

Front

Solve for w: w/5 = -10

Back

w = -50

Front

Solve: 2(2x + 3) = -6(x + 9)

Back

x = -6

Front

Solve: 6z + 3 - 4z = 9

Back

z = 3

Front

Solve for x: 52 = -5x - 3

Back

x = -11

Front

Definition: One Variable Equation

Back

An equation that contains one variable and can be solved for that variable.

Front

Definition: Inequality

Back

A mathematical statement that indicates one quantity is larger or smaller than another.

Front

Example of an inequality: 3x + 5 > 20

Back

To solve, subtract 5 from both sides: 3x > 15, then divide by 3: x > 5.

Front

Definition: Solution of an equation

Back

A value that makes the equation true when substituted for the variable.

Front

Definition: Isolate the variable

Back

To manipulate an equation to get the variable on one side and the constants on the other.