[2v - 31 + 3] + 12 = 31
Value of 'v'
=> [2v - 28] = 31 - 12
=> 2v - 28 = 19
=> 2v = 19 + 28
=> 2v = 47
=> v = 47/2
=> v = 23.5
Answer:
Explanation:
Solving in steps:
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