Ibellarodriguez
Ibellarodriguez Ibellarodriguez
  • 02-05-2021
  • Mathematics
contestada

Solve the system of linear equations by substitution.
x-2y=6
3x-5y=11

Respuesta :

maggielee724
maggielee724 maggielee724
  • 02-05-2021

Answer:

x = -8, y = -7

Step-by-step explanation:

=> x = 6 + 2y

substitute x = 6 + 2y into the equation 3x - 5y = 11 to solve for y:

=> 3(6 + 2y) - 5y = 11

=> 18 + 6y -5y = 11

=> y = -7

substitute y = -7 into the equation x - 2y = 6 to solve for x:

=> x - 2(-7) = 6

=> x +14 = 6

=> x = -8

Answer Link

Otras preguntas

how do I solve x+2y=8
Kim estimates that the faucet in her kitchen drips at a rate for 1 drop every 2 seconds. Erik wants to klnow how many times the faucet drips in a week.
What is the difference between displacement and double displacement reactions?Write equations for these reactions?
In Romeo and Juliet act 2, which character serves as a messenger
Solve the system of equations.3x+3y+6z=33x+2y+6z=74x+4y+7z=4
What is the difference between displacement and double displacement reactions?Write equations for these reactions?
In Romeo and Juliet act 2, which character serves as a messenger
Given the inequalities y > 5x-8 and y >3x+4, find the point that satisfies neither inequalities
One way to show that a statement is NOT a good definition is to find a _____ converse.conditional.counterexample.biconditional.
what city is located 60 north 25 east