Answer:
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87 ⇒ 90
34 ⇒ 30
---- -----
121 120
Answer: B
Step-by-step explanation:
Answer: n = -4
3n - 3 = 4n + 1
Add 3 to both sides
3n = 4n + 4
Subtract 4n from both sides
-n = 4
Divide by -1 on both sides
n = -4
