Solving Equations With One Variable

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Tags

CCSS.6.EE.A.2C

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Tags

CCSS.8.EE.C.7B

Front

Translate: Four less than twice a number is 66. What is the equation?

Back

Let the number be x. The equation is: 2x - 4 = 66.

Front

Solve the equation: 2x - 4 = 66.

Back

x = 35.

Tags

CCSS.7.EE.B.4A

Front

What is a variable in an equation?

Back

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

Tags

CCSS.6.EE.A.2B

Front

What is the coefficient in the expression 11t - 5?

Back

The coefficient is 11, which is the number multiplying the variable t.

Tags

CCSS.6.EE.A.2B

Front

Simplify the expression: 3x^2 - x + 7 + 5x + 2 - 2x^2.

Back

The simplified expression is x^2 + 4x + 9.

Tags

CCSS.7.EE.A.1

Front

Back

b = 25.

Tags

CCSS.6.EE.B.7

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Tags

CCSS.7.EE.A.1

Front

What is the solution for the equation represented by the model if x = 1?

Back

The solution is x = 1.