The sum of the digits in a two digit number is 8.the value of the number is 4 less than 5 times the ones digit. find the number

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

X+ y = 5 ; x - y =3 solve using linear combination