Equations
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Solve each system by the substitution method:
1. x = 9 - 2y
x + 2y = 13
2. 6x + 2y = 7
y = 2 - 3x
3. y = 3x -5
21x - 35 = 7y
4. 9x - 3y = 12
y = 3x - 4
5. 3x - 2y = -5
4x + y = 8
6. 2x + 5y = -4
3x - y = 11.
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- MSc, Osmania University
- MSc, Indian Institute of Technology - Roorkee (I.I.T.-ROORKEE)
- BSc, Banaras Hindu University
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