Question

read the instructions first​

Answer 1

$\huge{AηsωeR} ✍$

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$\bf \: \large \red{AηsωeR : 1.} ✍$

Option B. Elimination

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$\bf \: \large \red{AηsωeR : 2.} ✍$

Option D. Substitution

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$\bf \: \large \red{AηsωeR : 3.} ✍$

Option B. x + y = 5 and x - y = 7

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$\bf \: \large \red{AηsωeR : 4.} ✍$

Option D. x + 3(2x - 9) = 8

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$\bf \: \large \red{AηsωeR : 5.} ✍$

Option C. 3x + 2y = 4 and 3x + 2y = - 1

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$\bf \: \large \red{AηsωeR : 6.} ✍$

Option D. Multiply the second equation by 4.

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Answer 2

Answer:

1. B. elimination
2. D. substitution
3. B. x + y = 5, x - y = 7
4. D. x + 3(2x-9) = 8
5. C. 3x + 2y = 4, 3x + 2y = -1
6. D. Multiply the second equation by 4