amcox23 amcox23
  • 26-01-2020
  • Mathematics
contestada

Substitution for {2x-3y=11 and -x + 2y = -6

Respuesta :

PieJee PieJee
  • 26-01-2020

Step-by-step explanation:

-x+2y=-6

x-2y=6

x=2y+6

substitute in 2x-3y=11 gives us 2(2y+6)-3y=11

4y+12-3y=11

y=-1

-x+2(-1)=-6

-x=-4

x=4

Answer Link

Otras preguntas

A full truck weighed 3 2/6 tons. If the truck was only 4/6 full, how much would it weigh?
Some office workers bought a $60 gift for their boss. If there have been 5 more employees to contribute, everyone's cost would have been $2 less. How many worke
Simplify the expression as much as possible. sin(2x)cos(x)
Solve the problem. Mark can remember only the first 4 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit i
A full truck weighed 3 2/6 tons. If the truck was only 4/6 full, how much would it weigh?
Simplify the expression as much as possible. sin(2x)cos(x)
P is inversely proportional to Q. When P=100, Q=32 Calculate the value of Q when P is twice as big as Q. Show your working please
What led Adolfo hittler to order German submarines to attack American ships?
Factor completely x^4 +8x^2 -9
why did so many African Americans migrate north throughout the 1920s? A.) for the milder climate B.)for a chance at a better future C.)to save money D.)to serv