contestada

3 points
Eugene says that the following system of equations can be solved using
the substitution method. Abby says it can be solved using the elimination
method. Who do you think is correct? Explain your reasoning. *
2x + 2y = 10
x - y = 3

Respuesta :

substitution method

Step-by-step explanation:

  1. use second equation
  2. make x subject of the formula
  3. put it back in the first equation
  4. solve to find the value of y
  5. substitute y value in any equation between the two.
  6. then you get x value