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Troyanec [42]
2 years ago
14

What is the value of the expression

Mathematics
2 answers:
Arturiano [62]2 years ago
5 0

Answer:

OA) 14

Step-by-step explanation:

2((7+1)-1)

2(8-1)

You could expand the brackets then simplify or just simplify now. It will be better to simplify now though but I will do both methods.

Simplifying first:

2(7) = 2 × 7 = 14

Our answer is 14 So answer is OA) 14

Expanding first then simplifying:

2(8-1) = 16-2 = 14

Our answer is 14 So answer is OA) 14

baherus [9]2 years ago
4 0

Answer:

14

Step-by-step explanation:

Substitute the values into the equation.

2((a +b) - b)

2((7 + 1) -1)

You can use Distribute first or Solve the parenthesis first it will still give the same answer.

Distributive method.

2((7 + 2) -2)

=((14 + 2) -2)

= 16 -2

=14

Or solve the parenthesis first.

2((7 + 1) -1)

=2(8 -1)

=2(7)

=14

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Let B be between A and C. If AB = 3x + 5, BC = 5x - 1, AC = 36, solve for x.
Elina [12.6K]

Answer:

The value of x is 4.

Step-by-step explanation:

Given:

Let B be between A and C.

AB = 3x + 5

BC = 5x - 1

AC = 36

To Find:

x=?

Solution:

B be between A and C as shown in Figure

A-B-C such that

AC=AB+BC           ...........Line Addition Property

Substituting the given values we get

36=3x+5+5x-1=8x+4\\\\\therefore 8x=36-4=32\\\\\therefore x=\dfrac{32}{8}=4\\\\\therefore x=4

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3 years ago
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Another example is 4 (2f + g), is correct too

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1 year ago
Pls answer quickly, thanks!!
dybincka [34]

At the equilibrium price p, we can solve for the quantity of goods x :

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