He has 24 books! 2 dvds for every 8 books equals 1 dvd for every 4 books. 6 dvds times 4 books (6x4) equals 24.
Answer:
9
Step-by-step explanation:
Answer:
Let's solve for x.
2x−y=−13x−y
Step 1: Add 13x to both sides.
2x−y+13x=−13x−y+13x
15x−y=−y
Step 2: Add y to both sides.
15x−y+y=−y+y
15x=0
Step 3: Divide both sides by 15.
15x
15
=
0
15
x=0
Answer:
x=0
Step-by-step explanation:
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Answer:
x = 8, y = 2
Step-by-step explanation:
2x - 7y = 2 (1)
4x + 5y = 42 (2)
2x = 2 + 7y (1)
2(2 + 7y) + 5y = 42 (2)
4 + 14y + 5y = 42
19y = 38
y = 2
2x = 2 + 7(2) = 16
x = 8
Answer:
A
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
Calculate m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (- 2, 8) and (x₂, y₂ ) = (3, - 2)
m =
=
= - 2
(a, b) can be any of the 2 given points
Using (a, b) = (- 2, 8), then
y - 8 = - 2(x - (- 2)), that is
y - 8 = - 2(x + 2)