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

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

User Anwar Chandra
by
8.5k points

1 Answer

3 votes

y=2x

-3x-4y=11

-3x-4(2x)=11

-3x-8x=11

-11x=11

x=-1

Thus x=-1 and y=2x.

User Alexander Smirnov
by
7.7k points
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