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12-02-2021
Mathematics

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Solve the problem using ELIMINATION
20x + 2y = 18 10x + y = 9

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Аноним Аноним

12-02-2021

Answer:

Infinitely many solutions.

Step-by-step explanation:

Multiply the second equation by -2, then add the equations together

(20x+2y=18)

−2(10x+y=9)

20x+2y=18

−20x−2y=−18

Add these equations to eliminate x

0=0

Infinitely many solutions.

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