Alyssa is 12 years older than her sister, bethany. the sum of their ages is 44. find their ages.
provide your answer below:

Alyssa's age =Bethany's age +12

Alyssa's +Bethany's =44

A-b =12

A+b =44

Alyssa is 28

Bethany is 16

28+16 =44

28-16 =12

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb