Answer:
10
Step-by-step explanation:
-12x-12 = -13x-2
x= 10
x=4
-12x-6=-13x-2
+12x
-6=-x-2
+2
-4=-x/-1
7th term = 12 + 4x6 =12 +24 =36
25 and 480
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9/10