5/12 because 12 is the common denominator then multiply 4 by 3 then 3x3 9/12 )then 6x2 2x2 ( 4/12)
Answer:
-5
Step-by-step explanation:
3(4)+x=7
12+x=7
x=-5
this might be wrong but i would say B. hope this helps :) sorry if wrong
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