Question

Six years ago, the sum of ages of mother and father was 10 years less than five times the
sum of ages of their five children. At present,two third the sum of ages of mother and
father is seven less than times the sum of their present ages of children. Then, the sum of
present ages of the family is​

Answer 1

arrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

10/15-(x/10)=0

Step by step solution :

STEP

1

:

x

Simplify ——

10

Equation at the end of step

1

:

10 x

—— - —— = 0

15 10

STEP

2

:

2

Simplify —

3

Equation at the end of step

2

:

2 x

— - —— = 0.

3 10