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System of Equations

Basic

Linear - Substitution

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1. substitution x+y=8, xy=4 2. substitution 3x4y=30, 3x+2y=6 3. substitution 4x+9y=9, x3y=6 4. substitution 12x+13y=9, 15x23y=6 5. substitution 2a+3b=14, a4b=3 6. substitution 3x7y=27, 5x+4y=45 7. substitution 3x4y=100, x3 +4y3 =100 8. substitution y=3x4, y=32 x2 9. substitution x2 y2 =1, x+4y=12 10. substitution 12 x+17 y=4, 16 x27 y=1