Seudónimo Seudónimo
  • 08-01-2020
  • Mathematics
contestada

Someone please help!
Solve the following system of equations
7x-8y=15
-6x-5y=-1
Please help me!

Respuesta :

rcukierkorn
rcukierkorn rcukierkorn
  • 08-01-2020
Multiply the top equation by 6 and the bottom equation by 7. You will cancel x first by doing this and solve for y. You should get y=-1.
Substitute in y for either original equation.
You should get x=1.
Solution is (1,-1).
Answer Link

Otras preguntas

Need help please on these questions thank you
A rectangular prism has a volume of 300 ft3. If the base measures 5 ft by 8 ft, what is the height of the prism?
What is the value of Y ?
What is a benefit of fuel cell cars over standard cars? Fuel consumption is reduced by 30–90 percent. Hydrogen-powered cell vehicles are cheaper. Hydrogen fuel
You sell tickets at school for fundraisers. You sold car wash tickets, silly string fight tickets and dance tickets – for a total of 380 tickets sold. The car
find x in the following figure
HELP!!!!! ME!!! NEED HELP!
Find the cosine of LP
Point T, the midpoint of segment RS, can be found using the formulas x = (6 – 2) + 2 and y = (4 – 6) + 6. What are the coordinates of point T?
Fill in the blank with the correct verb. Yo____Chilena. a.soyB.esC.sonD. Estoy