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3 years ago

Simplify 2(x - 4) + 7(x + 2). Step by step please

Mathematics

2 answers:

nasty-shy [4]3 years ago

7 0

2(x - 4) + 7(x + 2)

mutiply the first bracket by 2

(2)(x)=2x

(2)(-4)= -8

mutiply the second bracket by 7

(7)(x)=7x

(7)(2)= 14x

2x-8+7x+14

2x+7x-8+14 ( combine like terms)

Answer:

9x+6 or 6+9x

erik [133]3 years ago

5 0

Distribute
2x-8+7x+14

add like terms
9x+6

answer
9x+6

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A 56-foot piece of siding is cut into three pieces so that the second piece is twice as long as the first piece and the third pi

ELEN [110]

The lengths of the first, second and third piece are respectively 8 ft, 16 ft and 32 ft

<h3>How to solve Algebra word Problems?</h3>

Let the length of the first piece be x.

Let the length of the second piece be 2x

Let the length of the thrid piece be 4x

Since the total length of the piece is 56 ft, then we can say that;

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1 year ago

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FinnZ [79.3K]

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3 years ago

The president of a certain University receives a salary that is three times the salary of one of the department heads the total

Furkat [3]

<u>Answer:</u>

$142500

<u>Step-by-step explanation:</u>

We are given that the resident of a certain University receives a salary that is three times the salary of one of the department heads.

Assuming $x$ to be the salary of the department head, if the total of the two salaries is $190000, we are to find the salary of the president of the University.

We can write an equation in terms of $x$ :

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3 years ago