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Scorpion4ik [409]
3 years ago
15

Select the correct answer from each drop-down menu.

Mathematics
1 answer:
DanielleElmas [232]3 years ago
3 0

Answer:

Expressions for y:

1. A - 3B

3. A/3 - B

3. (27/13, -60/13)

Step-by-step explanation:

Expressions for y:

A - 3B

A/3 - B

Find combinations to eliminate x

A) 8x + y = 12

B) 2x - 3y = 18

Expressions for y:

A - 3B

A/3 - B

y = 12 - 8x

2x - 3(12 - 8x) = 18

2x + 24x - 36 = 18

26x = 54

x = 54/26 = 27/13

y = 12 - 8(27/13) = -60/13

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