roxanneschwab
roxanneschwab roxanneschwab
  • 19-12-2016
  • Mathematics
contestada

What is the solution of the system using the substitution method?

y + 7 = 3x
6x - 2y = 12

Respuesta :

Mehek
Mehek Mehek
  • 19-12-2016
Substitute y = 3x - 7 for y in the second equation.

6x - 2(3x - 7) = 12

6x - 6x + 14 = 12

14 = 12? Incorrect. That means no solution.
Answer Link

Otras preguntas

Sup homies. What is an evaluation paragraph?
Which is true of secondary succession? A. It happens after new land is uncovered. B. It begins on nonliving rock and land. C. It occurs in land and marine commu
What is 2% of 52? Please help quick
What are the two components of a 5-methyluridine?
Describe what is means to have a budget, please.
Students were asked to place a mint in their mouths and determine how long it took for the mint to dissolve. The condition of the mint varied in each student gr
The actual distance between two cities is 135 km. The map scale is 1 cm:100 km. Find the map distance. A. 13.5 cm B. 1.35 cm C. 0.135 cm D. 1350 cm Need answer
There are four people in the String Band. Last weekend they made a total of $817 playing at a wedding. If they all get the same amount, how much does each playe
what exercises would you perform if your goal is to improve flexibility of your chest and side muscles
What were the reasons the japanese because an imperialist power