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VLD [36.1K]
3 years ago
8

Solve the system of equations by using substitution.

Mathematics
1 answer:
Nat2105 [25]3 years ago
5 0

Answer:

(x, y) = (-1, 1)

Step-by-step explanation:

y = 2x +3  ----(1) \\\\y =  x + 2 ----(2)\\\\substitute \ (2) \ in \ (1) : x + 2 = 2x + 3

x - 2x = 3 - 2\\\\-x = 1\\\\x = -1\\\\Substitute \ x = -1 \ in  \ (2) : y = -1 + 2 => y = 1

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