Four years ago my fathers age was five times my age . At present the sum of our age is 50. What is my fathers age.
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father
y = son
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x - 4 = 5(y - 4)
x + y = 50
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put the system of linear equations into standard form:
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x - 4 = 5y - 20
x + y = 50
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x - 5y = -16
x + y = 50
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Answer:
let my age four yrs ago be x then my father age was 5x
now my age is x +4 and my father age is 5x + 4 their sum is 50
means x+4 + 5x+ 4 = 50 , then x = 7
Step-by-step explanation:
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