Tesfa is x years old his father is 4 times as old as tesfa his mother is 7 years younger than his father If their ages add up to 101 years, how is tesfa?​

Step-by-step explanation:

his father's age= 4x

his mother's age= 4x- 7

his age= x

x+4x+4x-7=101

x+ 4x+ 4x= 101+ 7

9x= 108

=

x= 12

Tesfa is 12 years old

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!