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FinnZ [79.3K]
3 years ago
13

Which choice is a solution to the system of equations?

Mathematics
2 answers:
vodka [1.7K]3 years ago
5 0

Answer:

B

Step-by-step explanation:

Given the 2 equations

y = 2x - 3 → (1)

y - 9 = - x → (2)

Substitute y = 2x - 3 into (2)

2x - 3 - 9 = - x

2x - 12 = - x ( add x to both sides )

3x - 12 = 0 ( add 12 to both sides )

3x = 12 ( divide both sides by 3 )

x = 4

Substitute x = 4 into either of the 2 equations and evaluate for y

Substituting into (1)

y = 2(4) - 3 = 8 - 3 = 5

Solution is (4, 5 ) → B

Lelu [443]3 years ago
4 0
The answer to these question is B
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