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

PLEASE HELP ILL GIVE BRAINLIESTTTT
Can you think of professional situations in which an interpreter needs deep understanding of cultures?
contraction of the atria results from which wave of depolarization on the ecg tracing?
why has my movie not started at retro cinema 4 ​
hello this isnt a question im just want to say there is a person thats username is pdmurphy all they do is copy other peoples answers most of the time then writ
what is an acid meaning
Mackenzie likes to study alone in a room in her school's library, but it's been in use the past few times she’s tried to study there. What should Mackenzie do s
PLEASE HELP I NEED EXAMPLES GIVING POINTS :)) !! Write one full descriptive paragraph about this image.
help me i will give 40 points​
I’ll and 20 for the answer