elana2017 elana2017
  • 02-02-2017
  • Mathematics
contestada

What is the value of y when x equals 4 in the equation -3x+9y=-57?

Respuesta :

jippyisawesome
jippyisawesome jippyisawesome
  • 02-02-2017
so what you would do is put in the 4 where ever you see an x. so it would look like -3(4)+9y=-57 then you solve for y. and the answer is -5. Make sense?

Answer Link
claudiasilveir
claudiasilveir claudiasilveir
  • 02-02-2017
-3(4) +9Y=-57
12+9y=-57
9y=-57+12
9y=-45
y=-5
Answer Link

Otras preguntas

Which of the above boundaries earthquakes can produce earthquakes
The first battleground between those favoring the extension if slavery and those opposing it was where ?
What is the source of the oxygen released into the air as a product of photosynthesis?
How did the Cold War lead to armed weapon conflict?
When is thermal equilibrium achieved between two identical objects? A. when one object is colder than the other B. when one objects is hotter than the other C.
Which of these has a y-intercept of (0,7)? Is it (A) f(x)=7(x-1)(x+5) (B) f(x)=3x(x-7) (C) f(x)=xx+2x+7
Is little available food a characteristic of Athens, Sparta, or both?
Blonde hair (b) is recessive and black hair (B) is dominant. A woman with black hair marries a man with blonde hair who is homozygous recessive for blonde hair.
Which of the following statements best describes the development of agriculture in different parts of the world? a Agriculture developed at the same time for al
How did the Cold War lead to armed weapon conflict?