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

subtact (7x+2) from (-6x+8)​
Which calculation and answer show how to convert 9/16 to a decimal?
Choose the word which is stressed differently from the rest A.agnostic B.indigent Cpantheon D venomous
Look at the image for the question.
Drag each factor to the correct location on the image. If p(1) = 3, p(-4) = 8, p(5) = 0, p(7) = 9, p(-10) = 1, and p(-12) = 0, P(x).
Please help me with this question pleaseeee
Why does a ship float on water when it weighs about 100tones and why a stone of less than a kg sinks ​
Which behavior would best describe someone who has good communication skills with customers ? a) Following up with some customers b) Talking to customers more t
Which of the following is true about oncogenes
balance this equationPB3 O4 + H2 → PB + H2O​