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Evaluate 
b-(-(1)/(8))+c where 
b=2 and 
c=-(7)/(4).

Evaluate b(18)+c b-\left(-\frac{1}{8}\right)+c where b=2 b=2 and c=74 c=-\frac{7}{4} .

Full solution

Q. Evaluate b(18)+c b-\left(-\frac{1}{8}\right)+c where b=2 b=2 and c=74 c=-\frac{7}{4} .
  1. Substitute Values: Substitute the given values of bb and cc into the expression.\newlineWe have b=2b = 2 and c=(74)c = -\left(\frac{7}{4}\right). So we substitute these values into the expression b((18))+cb - \left(-\left(\frac{1}{8}\right)\right) + c to get 2((18))(74)2 - \left(-\left(\frac{1}{8}\right)\right) - \left(\frac{7}{4}\right).
  2. Simplify Expression: Simplify the expression by removing the double negative.\newlineThe expression 2((18))2 - (-(\frac{1}{8})) becomes 2+(18)2 + (\frac{1}{8}) because subtracting a negative is the same as adding a positive.
  3. Add Fractions: Add the fractions (18)(\frac{1}{8}) and (74)-(\frac{7}{4}). To add these fractions, we need a common denominator. The least common denominator for 88 and 44 is 88. So we convert (74)-(\frac{7}{4}) to (148)-(\frac{14}{8}) to have the same denominator.
  4. Add Common Denominator: Add the fractions with the common denominator.\newlineNow we add (18)(\frac{1}{8}) and (148)-(\frac{14}{8}) to get (18)(148)=(138)(\frac{1}{8}) - (\frac{14}{8}) = -(\frac{13}{8}).
  5. Add Whole Number: Add the whole number and the fraction.\newlineFinally, we add the whole number 22 to the fraction 138-\frac{13}{8}. Since 22 is the same as 168\frac{16}{8}, we have 168138=38\frac{16}{8} - \frac{13}{8} = \frac{3}{8}.

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