Answer:
exactly one solution
Explanation:
Solving the equation,
15(30x - 5) = 7 - 2(3+x) - 4x
450x - 75 = 7 - 6 - 2x - 4x
450x - 75 = 1 -6x
456x = 76
x = 76/ 456
x = 1/6
Since the equation has a single value = 1/6 that is true for the equation, it has one solution.