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16-09-2019
Mathematics

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Need help on this question please

x-7y=10 and 2x+14y=21

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Аноним Аноним

16-09-2019

Answer:

x=7y+10

Step-by-step explanation:

x−7y=10

x−7y+7y=10+7y

x=7y+10

Answer:

x=−7y+21/2

12/2 is a fraction

Step-by-step explanation:

2x+14y=21

2x+14y+−14y=21+−14y

2x=−14y+21

2x2=−14y+21/2

x=−7y+21/2

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