johnny66666666666666 johnny66666666666666

11-02-2020
Mathematics

contestada

Which is a simplified form of the expression 3a + 7 – a – 7?
A. 2a
B. 4a
C. 2a + 14
D. 4a – 14

Relax

Respuesta :

Connera911 Connera911

11-02-2020

Answer:

Choice A.

Step-by-step explanation:

3a + 7 - a - 7 = 3a+7 - a+7 = 3a-a = 2a

Answer Link

Yang100 Yang100

16-02-2020

Answer:

A) 2a

Step-by-step explanation:

3a+7-a-7

3a-a+7-7

2a+7-7

2a

Answer Link

Otras preguntas

What is the value of m in the equation 4m + 2(m + 1) = 9m + 5? (4 points) –1 1 7 17

Is 4 to 7 the same as 7 to 4? Explain why or why not.

What outcome resulted from the fall of the Roman Empire in western Europe?

Felipe looks over his presentation, and he notices that some of the words are written in bold and some are written in italic. His ability to remember these diff

Animales that have a symbiotic relationship

What is a cross section of a three-dimensional figure

How do you find the actual cost of a car without paying sales tax

how to find the unknown dimension of a triangle? (see problem in picture below)

what is the shortcut for the following a hyperlink in word

weeds growing in a recently burned a patch of forest represent the first stage in primary succession secondary succession secondary colonization biological