The equation \(3x + 3 = hx + 3\) will have one solution when \(h = 3\) because you get one solution when you have the same number of \(x\)'s (which is 1 on both sides) and the constants (the numbers without \(x\)) do not affect the solution. In this case, the constants cancel out, leading to the equality \(3x = 3x\), which is always true. Thus, the solution is:
The equation will have one solution when \(h = 3\) because you get one solution when you have the same number of \(x\)'s (1) on either side of the equation and the constants allow for a valid equation.