Writing and Solving Equations

Front

What is an equation?

Back

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

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value but does not include an equal sign.

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 all other terms on the opposite side.

Front

Solve the equation: m - 50 = 25

Back

m = 75

Front

What is the difference between an expression and an equation?

Back

Expressions do not have an equal sign, while equations do have an equal sign.

Front

Write the word sentence as an equation: The sum of a number a and 17 is 21.

Back

Front

When solving an equation, our goal is to:

Back

Isolate the variable to solve.

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

If Alex's favorite peaches are $2.50 per pound and she bought 3.4 pounds, how much did she spend?

Back

$8.50

Front

What is the first step in solving the equation x + 5 = 12?

Back

Subtract 5 from both sides to isolate x.