Writing and Solving Equations

Front

Translate into a word sentence: 3x - 8 = 34

Back

eight less than three times a number is equal to 34

Front

Translate: 5 less than a number, x, is 15.

Back

x - 5 = 15

Front

Ariel has 7 fewer dogs than Ele. If Ariel has 8 dogs. Which equation represents the scenario?

Back

e - 7 = 8

Front

Translate: 5 less than a number, x, is 15.

Back

x - 5 = 15

Front

Annebelle ate 5 less than three times that amount of sushi than Sadie ate. Annebelle ate 50 pieces of sushi. Which equation represents how much sushi Sadie ate?

Back

3x - 5 = 50

Front

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

Back

It means to convert a verbal statement into a mathematical equation.

Front

Define a variable in the context of an equation.

Back

A variable is a symbol, often a letter, that represents an unknown value.

Front

What is the equation for 'three times a number, x, is equal to 12'?

Back

3x = 12

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to get the variable by itself on one side of the equation.

Front

What is the first step in solving the equation 2x + 3 = 11?

Back

Subtract 3 from both sides to get 2x = 8.