10/18/16 Types of solutions for equations

x + 7 = 7 + x : infinitely many solutions

coefficients and constant are the same on both sides. : infinitely many solutions

7 + x = x - (-7) : infinitely many solutions

-7 - x = - x + 7 : no solution

What is the constant in x + 3? : 3

What is the coefficient in x + 3 : 1