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babymother [125]
3 years ago
5

25 POINTS! Find the value of x

Mathematics
1 answer:
elena-s [515]3 years ago
5 0

Answer:

x=7

Step-by-step explanation:

18x-3=17x+4

simplify

×=7

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(3a) You spend $72 on tapes and CDs. Each tape costs $8 and each CD costs $12.
Makovka662 [10]

Answer:

3a. 8t + 12c = 72

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Step-by-step explanation:

number of tapes is t

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so 8t + 12c = 72

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replace t = 7 - c in to the first equation

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2 years ago
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lianna [129]
Sum = ADDITION SO ... 11 + 12 = 23.
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3 years ago
How many times smaller will a number become if is it decreased by 20%?
stealth61 [152]

Answer:

Step-by-step explanation:

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