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

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??
Which equation has the same y-intercept as y=4x-3?a. y-3=x              b. y=8x+3    c. 3-y=4x      d. y=-3+8xWhich of the following is the equation of the line
(10y^3+20y^2+55y)/5y
find an equivalent expression without parentheses -(50x-15y+15)=
Can someone use the word delta in a sentence
Can someone use the word delta in a sentence
find an equivalent expression without parentheses -(50x-15y+15)=
How is it possible for Mercury to have frozen ice ?
Can someone use the word delta in a sentence
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??