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Nina [5.8K]
3 years ago
7

Substitute 7 for xand evaluate the expression below. 9x-2x Answer here

Mathematics
2 answers:
TEA [102]3 years ago
7 0

Answer:

49

Step-by-step explanation:

9x7=63

2x7=14

63-14=49

nadezda [96]3 years ago
5 0

Answer:

The answer to this equation is 49

Step-by-step explanation:

9x-2x

9×7=63

2×7=14

63-14=49

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Answer:

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Step-by-step explanation:

3x + 2y = 14 → (1)

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Add (1) and (3) term by term to eliminate y

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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