kaylarose0322 kaylarose0322
  • 19-01-2017
  • Mathematics
contestada

x+ y =5
3x-y=7

solve each system of equations by the addition method


Respuesta :

Аноним Аноним
  • 19-01-2017
X=3
Y=2
Use the "Guess and Check Method"
For example, I inputed 2 for X and found that it was too small to work for the second equation, so I put in 3. Then for Y, I input 2 because 3+2=5. I put 2 in to replace Y in the second equation (3x-y=7) to see that 9-2=7. Therefore, X=3 and Y=2
Answer Link

Otras preguntas

terms and definitions of aphasia ​
Please select the word from the list that best fits the definition Study of the organization and operation of governments.
simplify 3^2/3 x 3^4/5
NEED HELP ASAP trig question!! Need to find y!!
How fast is a skateboarder traveling if she travels 2 miles in 4 hours?​
1. Ancestors of the Mayan people may have come from Asia. A. False B. True
Small business service organizations that are patterned after the Agricultural Extension Service are known as
why do sporangiophores grow vertically whereas rhizoids grow downwards​
A zinc salt, E whenproduced a brown gas wiele pungent Smell,Colourless which repondled ae glowing splinteand a residue which was followed to cool.:) Identify th
Kelley Company reports $1,250,000 of net income for 2017 and declares $175,000 of cash dividends on its preferred stock for 2017. At the end of 2017, the compan