Algebra : Solving 2-Step Equations

How many arithmetic operations are typically found in a two-step equation?

• One

• Two

• Three

• Four

What strategy is best for undoing operations when solving multi-step equations?

• Applying the order of operations rules in the normal sequence.

• Applying the order of operations rules in reverse.

• Performing all addition and subtraction first, then multiplication and division.

• Performing all multiplication and division first, then addition and subtraction.

When solving the equation 2x + 2 = 8, what is the first operation to undo?

• Multiplication

• Addition

• Division

• Subtraction

When solving equations by undoing operations, what is the correct order for undoing operations involving groups?

• Groups first, then exponents, then multiplication/division, then addition/subtraction.

• Addition/subtraction first, then multiplication/division, then exponents, then groups.

• Exponents first, then groups, then multiplication/division, then addition/subtraction.

• Multiplication/division first, then addition/subtraction, then groups, then exponents.

What is the value of x in the equation (x - 1) / 2 = 4?

• x = 7

• x = 9

• x = 10

• x = 11