Answer:
Define a Variable: x = the number
Equation: 1/2x - 6 = 2 1/2x + 10
Solve:
1/2x - 6 = 2 1/2x + 10
1/2x - 16 = 2 1/2x
-16 = 2x
x = -8
9.4m questions
12.1m answers