solve for unknown

Front

What does it mean to 'solve for an unknown'?

Back

To find the value of a variable in an equation.

Front

Back

Divide both sides by 4.

Front

If c represents the number of CDs Emily has, how do you express the number of CDs Nate has if he has 6 fewer than Emily?

Back

c - 6

Front

Translate the phrase 'The difference of 3 times a number and 7' into an algebraic expression using n.

Back

3n - 7

Front

Back

Multiply both sides by 11.

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Back

4

Front

What is an algebraic expression?

Back

A mathematical phrase that can include numbers, variables, and operation symbols.

Front

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

Back

To solve for the value of that variable.

Front

What does it mean to 'translate' a word problem into an algebraic expression?

Back

To convert the words into a mathematical equation or expression.

Front

Back

Subtract 5 from both sides.