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Irina18 [472]
3 years ago
10

Plsss help no spam......................​

Mathematics
2 answers:
gregori [183]3 years ago
7 0

Answer:

Third one.

x=6 y=12

Ok!

bekas [8.4K]3 years ago
7 0

Answer:

fourth option

Step-by-step explanation:

Given the 2 equations

y = 2x - 3 → (1)

x + y = 18 → (2)

Substitute y = 2x - 3 into (2)

x + 2x - 3 = 18

3x - 3 = 18 ( add 3 to both sides )

3x = 21 ( divide both sides by 3 )

x = 7

Substitute x = 7 into (1) for corresponding value of y

y = 2(7) - 3 = 14 - 3 = 11

Solution is x = 7, y = 11

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