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diamong [38]
3 years ago
13

Practice

Mathematics
1 answer:
Mrrafil [7]3 years ago
3 0

Answer:

1. -5y + 2y = -3y

2. -8r - 16 + 6r - 12

3. -8r - -16 + 6r - 12

4. -8r - -16 + 6r - 12

5. 2m +13

Step-by-step explanation:

why is there 2 of the same

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Step-by-step explanation:

To figure out if (1,2) is a solution to the system, we can plug the values in and see if it is true.

3x-2y=-1

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It is true for this equation. Now let's check the next one.

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Since both equations are true when we plug the values in, (1,2) is a solution to the system.

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Step-by-step explanation:

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