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

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