x - number of votes Ms. Boulton got
The equations is formed as follows:
x(number of votes Ms. Boulton got) + (x + 50) (number of votes Ms. Johnson received) = 206
2x + 50 = 206
2x = 206 - 50
2x = 156
x = 156/2
x = 78
Ms. Boulton received 78 votes and Ms. Johnson received 78 + 50 = 128.
