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chubhunter [2.5K]
3 years ago
7

The product of five and a number, increased by 9 is equal to fifteen less than three times then

Mathematics
1 answer:
bonufazy [111]3 years ago
8 0

Answer:

x = -12

Step-by-step explanation:

Let x be the number.

The product of 5 and x increased by 9 is equal to 15 less than 3 times x.

5x + 9 = 3x - 15.

We can isolate x, getting (5-3)x = -15-9

Then we can solve:

2x = -24

x = -12.

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r = 255

r = R-2RF/W

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