Careless Carleigh: Simplifying Expressions and Equations (GL)

Last updated over 2 years ago
12 questions
Note from the author:
For each problem, fictional student Carleigh made a mistake. Explain what her mistake is, correct the problem, and give the real answer. Be sure to make your corrections with a RED pen!
For each problem, fictional student Carleigh made a mistake. Explain what her mistake is, correct the problem, and give the real answer. Be sure to make your corrections with a RED pen!
1

Simplify the expression 12(m - 3n) using the distributive property.

1

Simplify 6y + 7(2y - 4z) + z.

1

Solve for x: 1 - 2x = 17

1

Simplify the expression 3(x + 2) + 4x.

1

Use the Distributive Property to solve this expression: -4(x + 5) -7(5 - 6x).

1

Solve the two-step equation x/4 + 3 = 15.

1

Solve 4x - 14 + x^2 when x = 7.

1

Solve the two-step equation -7 + 6x = -19.

1

Simplify the expression - (2z - 4 + 4y).

1

Simplify: 3n + 3(1 + 8n)

1

Use the distributive property and combining like terms to simplify this expression: -3(5 + 2x) - 7

1

Simplify by combining like terms: 6 - 7n - 2n - 8