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Fatima is 7 years older than her brother. Three times the sum of their ages is 39.:Write and solve an equation to find Fatima's age.

Solution

Fatima is 7 years older than her brother. Three times the sum of their ages is 39.:Write and solve an equation to find Fatima's age.

Solution

Fatima^{'} s age is : 10

Solution steps

Translate the problem into an equation:

3 (x + x - 7) = 39

Solve for

x, 3 (x + x - 7) = 39 : x = 10

Fatima^{'} s age is : 10

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