Question

8. Select the equation that has no real solution.12x + 15 = 12x - 157x +21= 21-5x-25 = 5x + 2512x+ 15 = 3(4x+5)

Answer 1

We will have that the equation with no real solution is:

`12x+15=12x-15`

Because:

`12x-12x=-15-15\Rightarrow0\\e-30`