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cluponka [151]
3 years ago
7

Toni can carry up to 16 lb in her backpack. Her lunch weighs 1 lb, her gym clothes weigh 3 lb, and her books (b) weigh 3 lb each

. How many books can she carry in her backpack?
Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
6 0

Answer:

4 Books

Step-by-step explanation:

3+1 = 4

16 - 4 = 12

3x4 = 12

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40:28  = 10:7 simplified 
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Serhud [2]

Answer:

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Explanation:

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3 years ago
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LenaWriter [7]

x = -2

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let's multiply second equation by 4 to get a common coefficient of y variable.

16x-8y=-40

add the equations

3×+8y=2

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3x+16x = -38

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x = -2

substitute x

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8y = 2+6

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check the answer

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8 0
3 years ago
5y+6=-3y + 54 please help me solve this step by step asap !
Olenka [21]

Answer:

6=y

Step-by-step explanation:

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isolate y

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subtract 6 to isolate y.

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divide by 8 so y is alone w no coefficient other than 1

y=6

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3 years ago
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