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Sagot :
The sum of ellies's age and genya's age is 60. in six years, genya will be eigth times as old as ellie now ellie old is 2 years.
Given:
the sum of ellies's age and genya's age is 60. in six years, genya will be eigth times as old as ellie will be.
Let x and y be the ellie's and genya's ages.
x + y = 60
After 6 years x+6 and y +6.
8(x + 6) = y + 6
8x + 48 = y + 6
8x + 42 = y
8x - y = -42
sum of two equations
x + y + 8x - y = 60 + (-42)
x + 8x = 60 - 42
9x = 18
divide by 9 on both sides
9x/9 = 18 / 9
x = 2
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