Solve the system by substitution -3x-4y=11y=2x

JD Solanki asked Jul 5, 2023

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JD Solanki asked Jul 5, 2023

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13 votes

y=2x

-3x-4y=11

-3x-4(2x)=11

-3x-8x=11

-11x=11

x=-1

Thus x=-1 and y=2x.

EAMann answered Jul 9, 2023

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