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

What effect does observing a substance's physical properties have on the substance?
round 9,254 to the nearest hundred
Why are trees considered to be producers? A. they do not need food to survive in an ecosystem B. they depend on consumers to help them make their food C. they g
Do I capitalize zebra in this sentence? Meet Timmy the zebra.
How does water help cells keep an even temperature despite temperature changes in the environment?
round 76340 to the nearest thousand
example of A function whose domain is [2, infinity]
how did geography influence the location of European colonies?
what are the factors of (r+t)(e)
In the Southern subregion of sub-Saharan Africa, which country is mainly covered by the Kalahari Desert?