Equations and Inequalities

Front

What is the goal of solving two-step equations?

Back

Find the value of the variable.

Front

Solve the inequality: x + 5 ≤ 13

Back

x ≤ 8.

Front

When graphing an inequality, which symbols use a closed dot?

Back

≤, ≥.

Front

Solve for v: 3v + 6 = 21

Back

v = 5.

Front

Solve for c: 9c - 3c = 48

Back

c = 8.

Front

What is an inequality?

Back

A mathematical statement that compares two expressions using <, >, ≤, or ≥.

Front

What does it mean to isolate a variable?

Back

To get the variable alone on one side of the equation.

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater or less than another.

Front

Solve for x: 2x + 4 = 12

Back

x = 4.

Front

What is the first step in solving a two-step equation?

Back

Perform the inverse operation of addition or subtraction.