2 years ago

What is the value of 4x - 7 when x = 4 1 9 16 23

Mathematics

2 answers:

inn [45]2 years ago

7 0

Answer:

(4×4)_7

16_7

=9 as the answer

Svetlanka [38]2 years ago

6 0

Answer:

Your answer is 9. Substitute 4 in for x and solve. 4*4-7=9 Hope this is correct. Pls mark brainliest and rate... Have a great day/night

Step-by-step explanation:

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Ahmed, Walid and Faisal made $1446 profit from selling used books. If Ahmed to receive double amount of Faisal and Walid to rece

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Answer:

Faisal receives $241

Ahmed receives $482

Walid receives $723

Step-by-step explanation:

I am going to build a system of equations to solve this question.

We have that:

x is the amount that Faysal received.

y is the amount that Ahmed received.

z is the amount that Walid received.

Ahmed, Walid and Faisal made $1446 profit from selling used books.

This means that

$x + y + z = 1446$

Ahmed to receive double amount of Faisal

This means that $y = 2x$

Walid to receive triple amount of Faisal.

This means that $z = 3x$

$x + 2x + 3x = 1446$

$6x = 1446$

$x = \frac{1446}{6}$

$x = 241$

$y = 2x = 2*241 = 482$

$z = 3x = 3*241 = 723$

Faisal receives $241

Ahmed receives $482

Walid receives $723

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