Ashley2313 Ashley2313
  • 03-02-2015
  • Mathematics
contestada

-3-y=24
y=3x solving systems of equations by substitution

Respuesta :

mac32b mac32b
  • 03-02-2015
{ - 3 - y = 24   ⇒ - y = 24 + 3  .(-1)   ⇒ y = - 24 - 3  ⇒ y = - 27
{ y = 3x

y = 3x
( - 27 ) = 3x
- 27 = 3x
- 27 = x
   3
- 9 = x

S = { - 9 , - 27 }
Answer Link

Otras preguntas

Twice as number decreased by 9 is 7
find the opposite or additive inverse of 48 =
A worker in a sunglass factory can make 50 frames or 100 lenses per day. There are 90 workers. How many workers should make lenses?
A carton can hold 1000 unit cubes that measure 1 inch by 1 inch by 1 inch. Describe the dimensions of the carton using unit cubes. Can you explain to me how to
800 is 10 times as much as_____
What is a distinct factor in math?
what is m/9 - 1 = -2 whats the answer & steps
is 7 over 9 , 5 over 12, and 5 over 8 terminating or repeating decimals? and what are they in decimals? please explain..thx :)
give me a sentence that has the words prosper and profit
Can some one please help me with this ???