Equations and Inequalities Review

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

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 an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

What does '>' mean in an inequality?

Back

'>' means 'greater than'. For example, a > 12 means 'a is greater than 12'.

Front

What does '<' mean in an inequality?

Back

'<' means 'less than'. For example, a < 12 means 'a is less than 12'.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform operations to get the variable on one side of the equation and the constants on the other side.

Front

Solve the equation: k + 9 = 17

Back

k = 8

Front

Solve the equation: m - 14 = 32

Back

m = 46

Front

Solve the equation: 23 = x + 7

Back

x = 16

Front

What is the first step to solve the equation j + 26 = 47?

Back

Subtract 26 from both sides to isolate j.