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julia-pushkina [17]
3 years ago
15

8(y-1)-3y=6(2y-6) help plsss

Mathematics
2 answers:
Marat540 [252]3 years ago
6 0

Answer:

4

Step-by-step explanation:

Ostrovityanka [42]3 years ago
5 0

Answer:

y = 4

Step-by-step explanation:

First, distribute 8 through the parentheses

8y - 8 - 3y = 6(2y - 6)

Then, distribute 6 through the parentheses

8y - 8 - 3y = 12y - 36

Collect like terms (8y - 3y)

5y - 8 = 12y - 36

Move the variable (12y) to the left hand side and change its sign

5y - 12y - 8 = -36

Move the constant (-8) to the right hand side and change its sign

5y - 12y = -36 + 8

Collect like terms

-7y = -36 + 8

Calculate the sum

-7y = -28

Divide both sides of the equation by -7

y = 4

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Lelechka [254]

Answer:

The intersection of N and M contains only those elements that are in both N and M.

The intersection of N and M is ϕ.

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Step-by-step explanation:

Given

M = { 1, 2, 3, 5, 8, 13}

N = {-9, -8, -6, -4, -2, 4}

Now let us see each statement one by one.

The intersection of N and M contains only those elements that are in both N and M.

The statement is true because by definition intersection of two sets consists of common elements of both sets.

The intersection of N and M is ϕ.

The statement is true. As there is no common element in both sets.

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The statement is false because there is not common element in M and N.

N∪M=∅

The statement is false as the union consists of elements of both sets so it can't be empty.

​N∩M=∅

True. Because no common element so intersection will be an empty set..

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