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| 1. |
Three angles on one side of a straight line are 4x+30,5x-10 and 6x+40 degree respectively. Find the value of x. |
| Answer» 4X + 30 + 5X - 10 + 6x + 40 = 180 15x + 60 = 180 15x = 180 - 60 15x = 120 x = 8. | |