If 9a - b = 10b + 70 = -12b - 2a, what is the value of 9a - 11b?  Choose the correct option:
A) -4
B) 70
C) 0
D) 2
E) 4
This implies 9a - b = 10b + 70, 9a -b = -12b -2a, 10b + 70 = -12b -2a   Manipulating the second equation gives us 9a - b = 10b + 70 ==&gt; 9a - 11b = 70   Answer is 70
<result>B</result>
If 9a - b = 10b + 70 = -12b - 2a, what is the value of 9a - 11b?