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Mathematics, 12.02.2021 14:00 dewaynesmith46

A. Directions: Solve the system of equations by substitution and elimnination. Check your solutions. 1. (x + 2y = 7
(x - y = 4 (by elimination)

3. y - x = 3x + 2
2x + 2y = 14 - y (bySubstitution)

please pa help
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A. Directions: Solve the system of equations by substitution and elimnination. Check your solutions....
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