Belinsm Belinsm

04-02-2022
Mathematics

contestada

Simplify the following expression:
-5a + 3b - (-2а) - 7b
Show me how you do it please.

Respuesta :

jimrgrant1 jimrgrant1

04-02-2022

Answer:

- 3a - 4b

Step-by-step explanation:

note that - (- ) = + and + (- ) = -

- 5a + 3b - (- 2a) - 7b

= - 5a + 3b + 2a - 7b ← collect like terms

= (- 5a + 2a) + (3b - 7b)

= - 3a + (- 4b)

= - 3a - 4b

Answer Link

Otras preguntas

Religions that focus on a set of philosophical or theological arguments are classified as

can you have 1.75 low alcohol drinks and take valerian root? is it safe or should one turn to coffee?

Is "I take you hand and pull it closer to mine" Imagery???

please write me a paragraph on how DNA mapping is very important to evolution. 20 points

The chief limiting factor to the success of most trout species is

A sports medicine doctor is not a real doctor. True or false If a coaching career is your ultimate goal, a good place to begin would b a high school physical

The appendices are for non-essential information—such as maps, charts, and graphs—that support your points but are not necessary to explain them. truefalse

What number must you add to the expression below to complete the square? x^2-20x?

Do Carousels And Other Moving Objects EVOLVE?

What is the molecular formula of a compound whose molar mass is 88 and whose percent composition is 54.5% carbon, 9.1% hydrogen, and 36.4% oxygen?