Balancing Algebraic Expressions

A combination of numbers and/or variables(letter) AND at least one operation is an

• Equation

• Expression

• Inequality

Find the value of the variable in 2x + 6 = 4x - 2.

What do you call the mathematical statements showing that two algebraic expressions are equal?

• Algebraic Expression

• Algebraic Equation

• Algebra

• Equation

Find the value of the variable in y - 7 = 20.

Find the value of the variable in 2x - 4 = 10.

Find the value of the variable in 5x - 6 = 3x - 8.

What strategy of simplifying algebraic equation which identify the operations that undo the given operation?

• Algebraic Equation

• Guess and Check Strategy

• Balancing a scale blocks and balls

• Inverse Operation

Find the value of the variable in x - 7 = 10.

When we think of algebraic equations, we must think of a balancing scale: what we do on the one side of the equal sign, we must do on the other side.

• True

• False

Answer explanation

• 2

• 3

• -3

• 4