To solve this problem, work out the problem normally as if the "≥" is "=".
3.1v - 1.4 ≥ 1.3v + 6.7
-1.3v -1.3v
________________
1.8v - 1.4 ≥ 6.7
+1.4 +1.4
1.8v ≥ 8.1
___ ___
1.8 1.8
v ≥ 4.5, is the answer.
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