How must $59 be shared between Michael and Matthew so that Michael’s share is

$4 less than twice Matthew’s share?

1 answer

A + B = 59 so B = (59-A)

A = 2 B - 4

A = 2 (59-A) -4

A = 118 - 2A - 4

3 A = 114

A = 38

B = 59 - A = 21