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| 1. |
8x+5y+=9：3x+2y=4 |
| Answer» By elimination method :8x+5y = 9---------(1) ×23x+2y = 4 -----(2). ×5we get,16x+10y = 1815x+10y= 20subtracting both the equations we get;x = -2Putting the value of x in (1)...8×-2 +5y = 9-16+5y = 95y = 9+165y = 25y = 25/5y = 5 | |