sadavacados sadavacados

08-01-2019
Mathematics

contestada

Solve the system of equations.

-5x+2y=9

y=7x

Respuesta :

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08-01-2019

Answer:

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Step-by-step explanation:

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Answer Link

08-01-2019

Answer:

x = 1

Step-by-step explanation:

Substitute y with 7x.

-5x + 2(7x) = 9

Solve parentheses.

-5x + 14x = 9

Combine like terms.

9x = 9

Now solve the equation.

9x = 9

/9 /9

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x = 1

Answer Link

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