Question

in 20 years a child's age will be 7 years less than four times her current age. find the child's current age​

Answer 1

X + 20 = 4X - 7
X = Current Age
3X = 27
X = 9
The child’s current age is 9 years old

Answer 2

They are 9

Explanation:

Their current age will be represented by x

x + 20 = 4x - 7

-20 -20

x = 4x - 27

-4x -4x

-3x = -27

—— ——

-3 -3

x = 9