cupcakeaubree
cupcakeaubree cupcakeaubree
  • 12-02-2020
  • Mathematics
contestada

what’s the x coordinate of 3x-5y=10 and -x+3y=-6

Respuesta :

ghanami
ghanami ghanami
  • 12-02-2020

Answer:

x = -2

Step-by-step explanation:

hello :

the system is : 3x-5y=10 ...(*)

                       -x+3y=-6...(**)

multiply (**) by : 3   you have : -3x+9y = -18  ...(***)

add (*) and (***) : 4y= -8   so:  x = -2

Answer Link
jerome70
jerome70 jerome70
  • 12-02-2020
3x-5y=10
-x+3y=-6 time (3)

3x-5y=10
-3x+9y=-18

4y=-8
4/4y=-8/4
y=-2
Now for x
y = -2
3x-5y=10
3x-5(-2)=10
3x+10=10
-10 -10
3x=0
3/3x=0/3
x = 0
Answer Link

Otras preguntas

“Bow, wow, wow said the dog at the door” is this sentence personifaction?
Significant sea level changes can be traced to changes in the
definition of populism​
The cost of fencing around a square field id rs.12000. if the cost of fencing per meter is rs. 30, find the area of the square field.
Progression is... the training load expressed as resistance, speed or heart rate a gradual increase in one or more of the FITT variables to create an overload e
What are the key features of the equation y = (x + 12)(x + 6)?
9 in 7 in Surface Area = 12 in 11 in 19 in
WILL GIVE BRAINLIEST IF ANSWERED FAST!!!
WILL GIVE BRAILIEST IF ANSWERED FAST
Sino ang mas malawak ang kapangyarihan sa sistemang monarkiya