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maw [93]
3 years ago
13

Help! Thank you in advance!

Mathematics
2 answers:
mel-nik [20]3 years ago
5 0

Answer:

option 3

both (3, 2) and (2, -1) are solutions

Mazyrski [523]3 years ago
4 0

Answer:

C

Step-by-step explanation:

-3x + y = -7

use (3, 2) as plug ins for x and y

-3x + y = -7 (rewrite)

-3 x 3 + 2 = -7 (solve)

-3 x 3 = -9

-9 + 2 = -7

same with the other numbers (2, -1)

but i'm lazy

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parentese first so add 34+20= 54

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-54=-54

5x= -18

5x/5x -18/5x

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