Question

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Answer 1

Answer:

  $5\dfrac{7}{8} c +7$

Step-by-step explanation:

The like terms are the ones containing the variable 'c'. They are combined by adding their coefficients.

Working just with the coefficients of c, we have ...

  $2\dfrac{3}{4} +3\dfrac{1}{8}=(2+3)+\left(\dfrac{6}{8}+\dfrac{1}{8}\right)=5\dfrac{7}{8}$

Then the simplified expression is ...

  (2 3/4)c +(3 1/8)c +7

  = (5 7/8)c +7