awaseem935 awaseem935
  • 22-05-2022
  • Mathematics
contestada

-2x+5y=40
3x-2y= -5
Solve by using guassion elimination method

Respuesta :

tshegomolefe902
tshegomolefe902 tshegomolefe902
  • 22-05-2022

solve simultaneously

Step-by-step explanation:

make one of the equations x subject of the formula and the other equation y subject of the formula

y=8+2/5x....1

x=-5/3 + 2/3y.....2

substitute equation 1 into equation 2

x=5

y=10

Answer Link

Otras preguntas

C5h12+o2=co2+h2 balance equation​
please help idk what the answer is
Greg currently has 30 and receives a new one every 4 months. As a competition, Mark wants to start collecting ties as well. He buys a tie every month until he h
Average score in the first 7 tests is 82. How much do you need to score to get an average of 85?
12. What kind of mixture is formed when oil is mixed with water?A. Solution B. Water c. colloids D. suspension​
plz help me 20 points​
Choose one : Difference between Horticultural and Cooperative farming Or Difference between truck farming and Dairy farming . ( write in points )
Name three things that are usually included in a testimony.
the answer is: conociste
Chris labels every lattice point in the coordinate plane with the square of the distance from the point to the origin (a lattice point is a point such that both