Front

Solve: 9 - 4x = 12x + 25

Back

x = -1

Front

What is the first step to solve this equation: 11 - 3x = 44?

Back

Subtract 11 from both sides

Front

What operation did Jacob perform to get from Step 1 to Step 2 in 5x + 9 = 2x - 3?

Back

Subtracted 2x from both sides of the equation

Front

Solve: −6n − 20 = −2n + 4(1 − 3n)

Back

n = 3

Front

Solve: n + 2 = −14 − n

Back

n = -8

Front

What is a variable in an equation?

Back

A symbol (often a letter) that represents an unknown value.

Front

What does it mean to isolate a variable?

Back

To manipulate an equation so that the variable is on one side and all other terms are on the other.

Front

What is the purpose of combining like terms?

Back

To simplify an equation by merging terms that have the same variable and exponent.

Front

What is the distributive property?

Back

a(b + c) = ab + ac; it allows you to multiply a single term by each term inside a parenthesis.

Front

What is the first step in solving the equation 3(x + 4) = 21?

Back

Use the distributive property: 3x + 12 = 21.