Variables on both sides

Front

What is a variable in an equation?

Back

A symbol, often represented by letters, that stands for a number that can change or vary.

Front

What does it mean to isolate a variable?

Back

To manipulate an equation so that the variable is on one side of the equation by itself.

Front

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

Back

Subtract 11 from both sides.

Front

How do you combine like terms in an equation?

Back

By adding or subtracting the coefficients of the same variable.

Front

What is the solution to the equation -2x + 18 = 2x + 40?

Back

x = -5.5

Front

What is the solution to the equation 4x - 3 = 6x - 19?

Back

x = 8.

Front

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

Back

Subtracted 2x from both sides.

Front

What is the first step to solve the equation 1 + 4n - 6n = 1 - 8n?

Back

Combine the like terms 4n + -6n.

Front

What does it mean to have variables on both sides of an equation?

Back

It means that the variable appears on both sides of the equation, requiring manipulation to isolate the variable.

Front

What is the purpose of checking your solution in an equation?

Back

To verify that the solution satisfies the original equation.