Mom and daughter

Mother is 39 years old. Her daughter is 15 years. For many years will mother be four times older than the daughter?

Result

x =  -7

Solution:


39+x = 4*(15+x)

3x = -21

x = -7

Calculated by our simple equation calculator.







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To solve this verbal math problem are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

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