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IgorC [24]
3 years ago
7

PLEASE OH PLEASE HELP ME PLEASEEEEE!!!!

Mathematics
2 answers:
mote1985 [20]3 years ago
8 0
Given from the question
5x - 7y = 58  (first equation)
y = -x + 2 (second equation)

We could use subtitution method to solve the problem.
First, subtitute y with -x + 2 from second equation to first equation, and you'll find the value of x
5x - 7y = 58 
5x - 7(-x + 2) = 58
5x + 7x -14 = 58
12x - 14 = 58
12x = 58 + 14
12x = 72
x = 6

Now, subtitute x with 6 to the second equation
y = -x + 2
y = -6 + 2
y = -4

SUMMARY
x = 6
y = -4
Masja [62]3 years ago
6 0
Do you want me to explain it or just tell you the answer?
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3 years ago
−1 + 6 = 5 + 8 + 4<br> Group of answer choices
Stella [2.4K]

Step-by-step explanation:

your answer is 22.

if you have -1 + 6 = 5 theres your first answer 5

5 + 8 is equal to 13

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<h3 /><h3>your answer would be a total of 22</h3>

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4 years ago
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Amy worked 16 hours more than Brayden last month. If Amy worked 8 hours for every 7 hours that Brayden worked, how many hours di
marishachu [46]

Answer:

Amy worked for 128 hours while Brayden worked for 112 hours

Step-by-step explanation:

Given

Let A represents Amy and B represents Brayden

A = 16 + B ------(1)

A:B = 8:7------- (2)

Required

Find A and B;

Convert (2) to fractions

\frac{A}{B}  = \frac{8}{7}

Cross Multiply

7 * A = 8 * B

7A = 8B

Substitute A = 16 + B in the above expression

7(16 + B) = 8B

Open Bracket

7 * 16 + 7 * B = 8B

112 + 7B = 8B

Subtract 7B from both sides

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112 = B

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Recall that A = 16 + B

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<em>This implies that Amy worked for 128 hours while Brayden worked for 112 hours</em>

8 0
3 years ago
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