Solving Equations & Word problems Review

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 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

Translate the phrase: 'Three less than the product of seven and a number is four more than the number.'

Back

Front

What is the solution to the equation: 2 (x + 2) = - x - 17 - 4x?

Back

Front

Translate the phrase: 'Six fewer than twice a number is four.'

Back

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.

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Back

Front

What is the sum of three consecutive numbers if their total is 87?

Back

The smallest of the three numbers is: 28.

Front

What does 'consecutive numbers' mean?

Back

Consecutive numbers are numbers that follow each other in order, without any gaps, such as 1, 2, 3 or 28, 29, 30.

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical problem that is presented in the form of a narrative or story, requiring translation into an equation to solve.