2 and 3
Because integers are numbers that are whole and not negative.
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Answer:
v=8
Step-by-step explanation:
–9v + 1 = –8v − 7
Add 9v to each side
–9v+9v + 1 = –8v+9v − 7
1 = v-7
Add 7 to each side
1+7 = v-7+7
8 =v