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Verified Answer :

1. = Step 1. Simplify Brackets and you get \(12.5 - 31.5\) Step 2. Simplify and you get \(-19\) which is your answer.

2. = Step 1. Simplify Brackets and you get \(-31.91-16.7\) Step 2. Simplify and you get \(-48.61\)

3. = Step 1. Simplify Brackets and you get \(\frac{1}{6} - \frac{11}{12} + \frac{2}{3}\) Step 2. Simplify and you get \(- \frac{1}{12}\)

4. Step 1. = Simplify Brackets and you get \(29-15.7-31.05\) Step 2. Simplify and you get \(-17.75\)