Question

Which of the following equations have exactly one solution?

A) −19x+18=−19%+18
B) −19x−18=−19x+18
C) 19x+18=−19%+18
D) 19x−18=−19x+18

Answer 1

The equation that has exactly one solution is equation D) 19x−18=−19x+18. The solution to the equation is x = 18/19.

Step-by-step explanation:

The equation that has exactly one solution is equation D) 19x−18=−19x+18. To determine this, we can simplify the equation by combining like terms:

19x + 19x = 18 + 18

38x = 36

x = 36/38

Therefore, the equation has exactly one solution: x = 18/19.