Answer:
B
Explanation:
A. 6x + 35 = - 6x - 35,
12x = - 70
x = - 70/12
B. - 6x + 35 = - 6x + 35
- 6x + 6x = 35 - 35
0 = 0 infinitely many solutions
C. 6x+35= - 6x+35
12x = 0
x = 0
D. -6x+35= - 6x-35
- 6x + 6x = - 35 - 35
0 = - 70 false, no solutions
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