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natita [175]
2 years ago
12

8x + 4 - 3 - x PLEASE solve it!!!!

Mathematics
2 answers:
leva [86]2 years ago
6 0
8x - x + 4 - 3
= 7x + 1
bezimeni [28]2 years ago
6 0

Answer:

7x+1

Step-by-step explanation:

Add common variables. That's as far as you can go because you don't what the final answer is supposed to be.

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Sandy is upgrading her Internet service. Fast Internet charges $45 for installation and $49.45 per month.
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Answer:

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Step-by-step explanation:

i) Let x be the number of months of Internet Service purchased till the Fast

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ii) Charges for Fast Internet for x months is given by $45 + ($49.45 × x)

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iv) According to the first statement we will now equate the equations in ii)  

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   Therefore, $45 + ($49.45 × x) = ($56.95 × x)

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  Therefore  (56.95 - 49.45) x = 45

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  Therefore x = 45 ÷  7.5 = 6

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