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Jlenok [28]
3 years ago
15

3 (5x + 7) = 75 what is x?

Mathematics
2 answers:
garik1379 [7]3 years ago
8 0

Answer:

3 (5x+7) = 75

15x + 21 = 75

15x + 21 - 21 = 75 - 21

15x = 54

x = 3.6

Step-by-step explanation:

Elodia [21]3 years ago
3 0

Answer:

x = 3.6

Step-by-step explanation:

divide both sides by 3

5 x + 7 = 25

subtract 7 from both sides

5 x = 18

divide both sides by 5

x = 3.6

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larisa86 [58]

Answer:Amount of rice cooked by Alice =2 11/24kg

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Step-by-step explanation:

Amount of rice cooked by Jasmine =1 5/6 kg

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=1 5/6 kg+ 5/8 kg

=1 (20 +15) /24

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=1 +1 11/24

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Together  Alice and Jasmine cooked 1 5/6 kg + 2 11/24kg =

=3 20 +11/24

=3 31/24=3 +1 7/24

=4 7/24kg

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Step-by-step explanation:

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