LaliatheWolf
LaliatheWolf LaliatheWolf
  • 22-01-2018
  • Mathematics
contestada

Which expression represents the sum of (2x - 5y) and (x + y)?
A. 3x - 4y
B. 3x - 6y
C. x - 4y
D. x- 6y

Respuesta :

shreysaha803
shreysaha803 shreysaha803
  • 22-01-2018
It would be A. 3x - 4y
This is because 2x + x = 3x, and -5y + y = 4y.
Answer Link
gustanika
gustanika gustanika
  • 22-01-2018
You can write the expression into
2x - 5y + x + y

Now classify the same variables, x with x and y with y, then add the parts with the same variable
2x - 5y + x + y
= 2x + x - 5y + y
= 3x - 4y

The answer is a
Answer Link

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