20265049
20265049 20265049
  • 22-12-2021
  • Mathematics
contestada

Solve the system of linear equations by substitution: (SHOW UR WORK)
y=-x
y=3x-4

Respuesta :

esauazraa2
esauazraa2 esauazraa2
  • 22-12-2021

Answer:

x=1

y=-1

Step-by-step explanation:

they have already isolated y in both equations

label both equations

y=-x............1

y=3x-4........2

sub 1 into 2

-x=3x-4

-x-3x=-4

-4x=-4

x=1........ 3

sub 3 into 1

y=-(1)

y=-1

Answer Link

Otras preguntas

Why didn't Native American interact with French settlers
compare the right-hand and left-hand derivatives to show that the function is not differentiable at the point P. find all points where f is not differentiable.
"Scouting and Guiding" are nouns or verbs?
Who knows anything about Brown V. Board of Education?
I WILL GIVE BRAINLIEST!!! Give as many things you can come up with to write an essay about. And give pictures of it.
what is the product of 0.2 and 3.15
Sasha wants to buy some dresses over the Internet. Each dress costs $7.15 and has a shipping cost of $9.95 per order. If Sasha wants to spend no more than $60 f
Can I please get help With this question ?
4/5x- 3 3/4x= 2 1/2 SOLVE
i need help to figure this out asap please 72÷(1/3^−2)+4