# math

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Solve the systems of equations by elimination.
1. -2x+y=7 2. 2x+y=-9
6x+12y=24 4x+3y=1

3. 7x+3y=-1.5 4.2x-3y=-0.27
2x-5y=-30.3 5x2y=0.04

• math -

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