2.2 Solving Inequalities Involving Addition or Subtraction

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as >, <, ≥, or ≤.

Front

How do you solve an inequality involving addition?

Back

To solve an inequality involving addition, subtract the same number from both sides of the inequality.

Front

Solve the inequality: x + 5 > 7

Back

x > 2

Front

How do you solve an inequality involving subtraction?

Back

To solve an inequality involving subtraction, add the same number to both sides of the inequality.

Front

Solve the inequality: y - 4 < -8

Back

y < -4

Front

What does the symbol '≥' mean?

Back

The symbol '≥' means 'greater than or equal to'.

Front

Solve the inequality: 10 ≥ x - 3

Back

x ≤ 13

Front

What does the symbol '<' mean?

Back

The symbol '<' means 'less than'.

Front

Solve the inequality: z - 5 < 15

Back

z < 20

Front

What does the symbol '>' mean?

Back

The symbol '>' means 'greater than'.