hardyandlorri123 hardyandlorri123
  • 19-04-2021
  • Mathematics
contestada

If x+2y=12 and x-y=3 find the value of x+y

Respuesta :

bloodyhonor
bloodyhonor bloodyhonor
  • 19-04-2021
The answer would be 9

x-y=3
x=3+y

X+2y=12
(3+y) + 2y=12
3y+3=12
3y=9
Y=3

X-(3)=3
X=6

X+y
6+3=9
Answer Link

Otras preguntas

The age of the seafloor __________as you move away from the mid ocean ridges to deep ocean trenches A decreases B increases C does not change
oh hey i need help please
Unscramble the word and write the vocabulary word correctly. imeersp
What was significant about the battle of Charles town during the American revolution?
i need help asap will give a lot of points​
What is the mass of 23.2 moles of Gallium atoms?
Last questions to ask?
A) right C) acute B) obtuse D) equiangular
please please plaese help me with this!! i need the right answer
5 * r * r * r * r * r * r simplyfied