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20-04-2020
Mathematics

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Is (1,6) a solution to this system of equations? 5x + y=11
2x + 3y= 20

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Anisatunizzati Anisatunizzati

21-04-2020

Answer:

x = 1

y = 6

Step-by-step explanation:

5x + y = 11 | ×3 |

2x + 3y = 20 | ×1 |

15x + 3y = 33

2x + 3y = 20

____________--

13x = 13

x = 13/13

x = 1

5x + y = 11

5(1) + y = 11

5 + y = 11

y = 11 - 5

y = 6

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