Isabelladragon
Isabelladragon Isabelladragon
  • 16-05-2018
  • Mathematics
contestada

Solve the equation 3x+5y=4
for y

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 29-12-2018

Answer:

y = (4 -3x)/5

Step-by-step explanation:

Find the terms containing y. If they are all on one side of the equation (it is), then identify the terms not containing y. Subtract those. Then, divide by the coefficient of y.

3x +5y = 4

5y = 4 - 3x . . . . . non-y term subtracted

y = (4 -3x)/5 . . . . divide by the coefficient of y

_____

If you like, you can rearrange this to slope-intercept form:

... y = -3/5x +4/5

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