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use substitution for the system

-3x+4y=19

x=3y-8

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use substitution to solve the system

use substitution for the system

-3x+4y=19

x=3y-8

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-3x+4y=19

x=3y-8

-3(3y-8)+4y=19-9y+24+4y=19

-5y=-5

y=1

x=3*1-8=-5

**x=-5 y=1**

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