jadechen300 jadechen300
  • 01-03-2020
  • Mathematics
contestada


Solve the simultaneous equations.
3x -2y=10
2x+ 5y=13​

Respuesta :

Leora03
Leora03 Leora03
  • 01-03-2020

Answer:

x=4, y=1

Step-by-step explanation:

First label the equations.

3x -2y= 10 -----(1)

2x +5y= 13 -----(2)

From (1): 3x= 2y +10

x= 2/3y +10/3 -----(3) (÷3 on both sides)

subst. (3) into (2):

2(2/3y +10/3) +5y= 13

4/3y +20/3 +5y= 13 (expand)

19/3y= 13 -20/3 (move all y terms to 1 side)

19/3y= 19/3 (simplify)

y= 1

subst. into (3):

x= (2/3)(1) +10/3

x= 4

Answer Link
hello999999 hello999999
  • 01-03-2020
The answer is
X=4, Y=1
Answer Link

Otras preguntas

Green hybrid auto corporation pays its executives an excessive amount relative to what lower-level employees at the company receive and to what executives at co
What is the general form for writing numbers in scientific notation?
Richard and Jordan went to see a movie. Richard spent m dollars at the movie theater, and Jordan spent $12 at the movie theater. Together they spent a total of
After losing the revolucionary war and signing the treaty of paris in 1783 did the british lose all territory in north america?
Modern fishing techniques use giant nets to harvest large numbers of fish in the short term. this may result in severely reduced populations of fish in the futu
Can you help with precalc questions?!
For u.s. businesses with strong export capabilities, expansion of u.s. trade agreements with other countries creates:
radio waves pros and cons
Write each fraction as a sum or a difference (2m-5)/9
I’m not sure how to do this problem