Question 223968
an identity means that the two sides of the equation are not ony equal, but also identical


3x = 12 is an equation ___ there is a unique value of x (solution)


3x = 3x is an identity ___ all values of x will work (no solution)


solving for "a" will generate the identity


collecting terms ___ a(2x+3) = 8x + 12


factoring ___ a(2x+3) = 4(2x + 3)


dividing by 2x+3 ___ a = 4