Variables on both sides

Front

What is a variable in an equation?

Back

A symbol used to represent an unknown value in mathematical expressions or equations.

Tags

CCSS.6.EE.A.2B

Front

What does it mean to solve an equation with variables on both sides?

Back

It means to find the value of the variable that makes both sides of the equation equal.

Front

Back

Combine like terms on both sides of the equation.

Front

Back

Combine the coefficients of the like terms: 4n - 6n = -2n.

Front

Back

x = -12.

Front

Back

Distribute -2 to both terms inside the parentheses, then combine like terms.

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Back

x = 8.

Front

What does it mean to isolate the variable in an equation?

Back

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

Tags

CCSS.7.EE.B.4A

Front

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

Back

To verify that the solution satisfies the original equation.

Tags

CCSS.8.EE.C.7B

Front

What is a coefficient in an algebraic expression?

Back

A numerical factor that multiplies a variable.

Tags

CCSS.6.EE.A.2B