Saved Bookmarks
| 1. |
Solve: 99x +101y = 499 and 101x +99y = 501Don't spam...... |
|
Answer» -step explanation:99 X + 101 Y = 499 ——-eq 1101 X + 99 Y = 501 ———eq 2solving both equations,multiply eq 1 by 101 and eq 2 by 9999 * 101 X + 101 * 101 Y = 499 *101101 * 99 X + 99 * 99 Y = 501 * 99999 X + 10201 Y = 50399 —- eq 3999 X + 9801 Y = 49599 ——- eq4Solving the above obtained equation for the value of X by subtracting eq 3 from eq 4(10201 - 9801) Y = 50399 - 49599Y = 800/400 = 2Putting the value of Y = 2 in eq 199X + 101 * 2 =499X = (499 - 202) / 99X = 3 |
|