Question

Algebraic equations

Answer 1

1) 2x + 9  = 2x -5

            9 ≠ -5 ; No solution

2) 2x-  1 = x + 3

   x = 4; One solution x = 4

3) x + 2 = x + 2

   0 = 0; Identity (or all real numbers)

Answer 2

Answer:

1)  No solution

2) One solution x = 4

3) All real numbers

Hope this helps :)