can u pls help me with this
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If Aftab's current age is x and his daughter's current age is y:
x - 7y = - 42
x - 3y = 6
Step-by-step explanation:
Let's assume Aftab's current age is x years and that of his daughter's is y years.
According to the problem:
x - 7 = 7(y - 7)
=> x - 7y = - 42 . . . . . . . . . . . . equation (i)
Putting y=0, we get x = - 42, and putting x = 0, we get y = 6
∴ the line passes through the X-Axis at (-42, 0) and the Y-Axis at (0, 6)
Again, x + 3 = 3(y + 3)
=> x - 3y = 6 . . . . . . . . . . . . . . equation (ii)
Putting y=0, we get x = 6, and putting x = 0, we get y = -2
∴ the line passes through the X-Axis at (6, 0) and the Y-Axis at (0, -2)
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the question is blur -
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