Clarification of systems of equations

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Reference no: EM13124594

Determine whether the given ordered pair is a solution of the system.

1. 7/25-1/25

4x+3y=1

3x-4y=1

solve each system by substitution method

2.x/4-y/4= -1

x+4y= -9

Reference no: EM13124594

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