Writing and Solving Equations

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, often containing variables.

Front

What does it mean to isolate a variable in an equation?

Back

Isolating a variable means rearranging the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the purpose of substituting a variable in an equation?

Back

Substituting a variable means replacing it with a number to check if the equation holds true.

Front

Write an equation for: 8 less than x equals 15.

Back

x - 8 = 15

Front

Back

x = 7

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

Write an equation for: 10 more than y equals 25.

Back

y + 10 = 25

Front

Back

Multiply both sides by 7 to get g = 49.

Front

What is a subtraction equation? Give an example.

Back

A subtraction equation shows a relationship where one quantity is taken away from another. Example: m - 12 = 5.

Front

What does '17 less than H equals 42' look like as an equation?

Back

H - 17 = 42