Question

What is the correct reason for statement 2?

Prove: 7(w + 6) + 4 = 7w + 46

Statements Reasons
1. 7(w + 6) + 4 1. Given
2. (7w + 42) + 4 2.
3. 7w + (42 + 4) 3. Associative Property
4. 7w + 46 4. Addition

Answer 1

What is the correct reason for statement 2?

Prove: 9 + 3x + (x ∙ 4) = 7x + 9

Statements Reasons
1. 9 + 3x + (x ∙ 4) 1. Given
2. 9 + 3x + 4x 2.
3. 9 + 7x 3. Addition
4. 7x + 9 4. Commutative Property

Answer 2

first one is distributive property

2nd problem....um....you have to do what is in parenthesis first, so they multiplied x * 4 and got 4x.

Answer 3

I don't know if you can put this, but for the second problem, the reason is order of operations ??

Answer 4

or just multiplication

Answer 5

Thank you! I can't put order of operations, but I can do multiplication. Can you help with this one?



What is the correct reason for statement 3?

Prove: (11m) ∙ 4 + m = 45m

Statements Reasons
1. (11m) ∙ 4 + m 1. Given
2. 4 ∙ (11m) + m 2. Commutative Property
3. (4 ∙ 11) ∙ m + m 3.
4. 44m + m 4. Commutative Property
5. 45m 5. Addition