Warm-Up Sandbox Lesson

Front

What is the first step to solve for b in the equation: 2b = -16?

Back

Divide 2 to both sides.

Front

Back

x = 9

Front

Back

x = 8

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent 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 side.

Front

What is the purpose of the equal sign in an equation?

Back

It indicates that the values on both sides of the equation are equal.

Front

Back

Subtract 4 from both sides.

Front

Back

x = 2

Front

What is the definition of a coefficient?

Back

A numerical factor in a term of an algebraic expression.

Front

What does it mean to solve an equation?

Back

To find the value(s) of the variable(s) that make the equation true.