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July 26, 2014

Homework Help: math

Posted by HELP me please asap!! on Monday, January 24, 2011 at 12:45am.

PLEASE!!!!i need help on these 4:
*4y=15-3x
2y=3x+21

*4x=5y-14
y=-6x-9

*5x=4y-30
2x=3y=-12

*2/3y=10+4x
5x=1/3y-8

use linear combinations to solve the system of linear equations

thank you!!!

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