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3 years ago

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Mathematics

1 answer:

marysya [2.9K]3 years ago

3 0

Answer:

4x + y = −2 --> 4x = -y - 2

4x + 6y = 44

Substitute 4x in the 2. equation.

(-y - 2) + 6y = 44

5y - 2 = 44

5y = 46

y = 9.2

4x = -9.2 - 2

4x = -11.2

x = -2.8

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