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Solve the system by substitution

Solve the system by substitution-example-1
User Epsilones
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1 Answer

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Answer:

-2

Explanation:


y = - 6x \\ y = - 4x + 4 \\ then \: substitute \\ - 6x = - 4x + 4 \\ - 6x + 4x = 4 \\ - 2x = 4 \\ ( - 2x)/( - 2) = (4)/( - 2) \\ then \: - 2 \: cancel \: by \: - 2 \\ x = - 2

User Castis
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