emmahlala9108 emmahlala9108
  • 12-09-2021
  • Mathematics
contestada

3. Write and solve the equation that represents the model below.

3 Write and solve the equation that represents the model below class=

Respuesta :

einsteinmusfirah einsteinmusfirah
  • 12-09-2021

Answer:

3x + 3y = x+ 7y is the equation and solutions are in bold below

subtract 3y from both sides

3x= x + 4y

subtract x from both sides

2x=4y

divide both sides by 2

x = 2y

Now we solve for y

3x + 3y = x+ 7y

2x=4y

0.5x = y

y = 0.5x or 1/2x

Step-by-step explanation:

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