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

The 14 and 15 amendments did not apply to ?
When using variable costing, costs are grouped by each of the following (select all answers that are applicable):___________a) functionb) variablec) fixedd) pro
What kind of waves are present during an earthquake? ... What kind of energy does an unlit match have? ... Which of these is another way to write Newton's secon
Carl reads 3 books every week. Rose reads 6 books a month. Lynn reads 85 books a year. Who reads the most books in a year?
Which description best fits the graph?
Suppose nominal GDP in the base year was $380 million. Five years later, nominal GDP was $480 billion and the GDP price index was 120. Over those five years, re
triarsenic pentasulfide what is the formula? ​
what is 2-5(94)/2 plz help
The volume of a 5 cm long cylindercal iron rod is 6930cm cube.Find it's diameter​
Country mouse lived in a field. A Town mouse friend. One day invited the town mouse for dinner?He___________served________ best berries, nuts and roots ________