Ask for an application problem of equation in grade one of junior high school Suppose that the average speed of a is x km per hour and that of B is y km per hour 2.5x=2.5y+8 (1) x+y=8 (2) From (2), x = 8-y Substituting (1) into the solution, y = 2.4 x=5.6

Ask for an application problem of equation in grade one of junior high school Suppose that the average speed of a is x km per hour and that of B is y km per hour 2.5x=2.5y+8 (1) x+y=8 (2) From (2), x = 8-y Substituting (1) into the solution, y = 2.4 x=5.6

2.5Y to the left of the equation becomes - 2.5Y
2.5x-2.5y=8----2.5（x－y）=8

Elden Ring Premiere

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