christinanwilli christinanwilli

24-02-2018
Mathematics

contestada

(7a-b+3) - (-2a-8b+8)

Respuesta :

creeds25 creeds25

24-02-2018

(7a-b+3)-(-2a-8b+8)
Apply plus/minus rule.
-(-a)= a and -(a)=-a
we get
(7a-b+3)-(-2a-8b+8)= 7a-b+3+2a+8b-8
Add like terms
=9a+7b-5

Answer: 9a + 7b - 5

Answer Link

Otras preguntas

what is 0.096 in word for

what is 70 over 9 in simplest form

Convert 3.45 g/ml to lb/in^3

Find the length of side c of a triangle if side a = 15 and side b = 20. A. 25 B. 17.5 C. 20 D. 15

Hot dog buns come in packages of 8. For the school picnic, Mr. Spencer bought 30 packages of hot dog buns. How many hot dog buns did he buy?

write two decimals that are equivalent to 3.7

The sum of a number b and 3 is greater than 8 and less than 12

9×27+2×31-28=n what is the value of n

How to write 309,099,990 in word

Which of these statements about the Cuban Missile Crisis is true? a. Fidel Castro''s government had manufactured guided missiles. b. President Kennedy removed n