Here are some equations that all have the same solution.

Explain how you know that each equation has the same solution as the previous equation.

Equation 1: x = -6

Equation 2: x - 3 = -9

Equation 3: -9 = x - 3

Equation 4: 900 = -100(x - 3)

Equation 5: 900 = (x - 3)
⋅
⋅
(-100)

Equation 6: 900 = -100x + 300