theblackwolf20ovghma
theblackwolf20ovghma theblackwolf20ovghma
  • 11-10-2018
  • Mathematics
contestada

the sum of a number 9 is multiplied by -2 and the answer is -8

find the number.

Respuesta :

OmegaAzzy
OmegaAzzy OmegaAzzy
  • 11-10-2018

The missing number is equal to -5.

-2(x + 9)  = -8

Distributive property.

-2x - 18 = -8

Add 18 to both sides.

-2x = 10

Divide both sides by -2.

x = -5

Answer Link

Otras preguntas

If a restaurant sells 210 pizzas per day and wants a ratio of 3 drinks sold per pizza, how many drinks would they need to sell?
Is 3/4 equivalent to 8/12
Hello everyone! This is all about simile can you answer this?Instruction: What are compared in the following lines? What do the two unlike objects have in commo
A study showed the chicken pox vaccine can save $5 for every $1 in cost.  If 15,500 children are immunized at a cost of $35 per child, how much money would be
these triangles are similar. find the missing length, h. 7*6*7/2. 1*h*1/2
The following are all components of what? • positioning of actors on stage • scenic backgrounds • props and costumes • lighting and sound effects A. Staging
What Did Crusaders Wear
Robert Hook's discovery helped scientists learn more about _____.
(x³+6)(x⁴-9)= ___ (type terms in descending order)  please help.
Can you please help me with #32 im getting confused.