yessir2495
yessir2495 yessir2495
  • 02-04-2020
  • Mathematics
contestada

The value of x in this system of equations is 1.
3x + y = 9
y=-4x + 10

Respuesta :

sszet7250
sszet7250 sszet7250
  • 02-04-2020

Answer:

x=1

Step-by-step explanation:

First we have to isolate y

Subtract 3x from both sides:

y=-3x+9

y=-4x+10

Multiply the bottom by -1:

y=-3x+9

-y=4x-10

Combine the equations:

x-1=0

Add 1 to both sides:

x=1

I hope this helps u pls give a brainliest and a thx ;)

leave a comment if i am wrong

Answer Link

Otras preguntas

This monument is an example of what type of sculpture from ancient Egyptian times?
Which is a graph of = 3 − 1
If 8 times a number is decreased by 5, the result is 23.what is the number
which of the following equations describes the graph above?
What best describes how mutations are related to evolution? A) There is not a strong relationship between mutations and evolution B) Natural selection causes ev
Alisa’s neighborhood is usually quiet, but the local newspaper reported an increase in criminal activity there. One morning, Alisa found her garage vandalized a
Apply the distributive property to create an equivalent expression 1/2(10x+20y+10z)
How many grams of hydrogen are needed to produce 1.80g of water according to this equation? 2H2+O2 to 2H2O
Write the formula for an exponential function with initial value 300 and decay factor 0.73
Why did the southern states enact poll takes