The value of x=1
Step-by-step explanation:
Given the equations as :
-2x + y= 8
5x - y= -5 ------adding the equations
---------------------
3x = 3 -------dividing both sides by 3
x = 1
Learn More
Simultaneous equations : brainly.com/question/12318095
Keywords : equations, system, value
#LearnwithBrainly
Answer:
( 2, 4 )
Step-by-step explanation:
Convert one of the equations to standard form
y= 2x
x + y = 6
(Plug y into the other equation)
x + 2x = 6
3x = 6
x = 2
(Plug x into the y equation)
y = 2(2)
y = 4
3 kilograms = 4.86
So one kilogram = 4.86/3 = 1.62
2 kilograms = 1.62 × 2 = 3.24
Answer:
40-80-42-1,000,000= -1,000,082
Step-by-step explanation:
bc calculator