franklin12407 franklin12407
  • 03-02-2021
  • Mathematics
contestada

Solve each of the following system of equations by substitution
y = -3x +5
2x+y=6

Respuesta :

Dwonders2021
Dwonders2021 Dwonders2021
  • 03-02-2021

Answer:

x = -1

y = 8

Step-by-step explanation:

y = -3x +5 . (1)

2x+y=6 .  (2)

(1) in (2)

2x + ( -3x + 5 ) =6

= 2x - 3x + 5 = 6

= -x + 5 = 6

Subtract 5 from each side

= -x = 1

x = -1

Now  put "-1" in for "x" in the first equation:

y = -3 (-1) +5

= y = 3 + 5

= y = 8

Hope that helps!

:D

Answer Link
981083
981083 981083
  • 03-02-2021

Answer:

Step-by-step explanation:

Graph the line using the slope and y-intercept, or two points.

Slope:

−

3

-

3

y-intercept:

(

0

,

5

)

(

0

,

5

)

x

y

0

5

5

3

0

Answer Link

Otras preguntas

If an element has 2+ valence electrons, does it transfer only one or more than one valence electrons​
does earth core have more iron than earths crust?
The sum of four consecutive integers is -18. What are the four integers?
2 Select the correct text in the passage. Which two sentences in this excerpt from Franklin D. Roosevelt's "Four Freedoms" speech suggest that going to war will
Is everyone’s heart biologically the same?
Find the 8th term in the sequence - 1 / -1, -2, -4,...
Which of the following lines is parallel to x = 4 O 1) 3y = 9 O 2) y = 4 O 3) x = 2 O4) x = y
given f(x)= -3/4x-6 and its domain: (-8, 0, 4) what is the range of the function?
8Look at this diagram.Work out the value of x.​
I don’t know what any of these are can someone plzzzz help me