Solving Multi-Step Equations with One Variable

What is the golden rule in solving equations?

• Multiply both sides by the same number.

• Always add before you subtract.

• Divide both sides by the same number.

• What you do to one side, you must do to the other.

What does SADMAP stand for?

• Subtraction, Addition, Division, Multiplication, Parentheses, Simplify

• Subtraction, Addition, Division, Multiplication, Parentheses, Exponents

• Subtraction, Addition, Division, Multiplication, Parentheses

• Subtraction, Addition, Division, Multiplication, Addition, Parentheses

What is the result of simplifying 9x - 7x + 1 - 5?

• 2x + 4

• 16x + 4

• 16x - 4

• 2x - 4

What is the value of x in the equation 2x - 4 = -20?

• x = -8

• x = 8

• x = -16

• x = 16

What is the result of distributing -7 in the expression -7(3a - 1)?

• 21a + 7

• -21a - 7

• 21a - 7

• -21a + 7

What is the value of a in the equation -21a + 7 = 84?

• a = -4

• a = 4

• a = -8

• a = 8

What is the result of simplifying 4m - 15m - 50?

• -11m + 50

• 11m + 50

• -11m - 50

• 11m - 50

What is the value of m in the equation -11m - 50 = 126?

• m = -16

• m = 16

• m = -11

• m = 11

What is the result of distributing -6 in the expression -6(2x + 5)?

• -12x - 30

• 12x + 30

• 12x - 30

• -12x + 30

What is the value of n in the equation 9n - 23 = 13?

• n = 4

• n = -4

• n = 9

• n = -9