Step-by-step explanation:
Final result :
 -3z - 8
 ———————
  4 Â
Step by step solution :
Step  1  :
      1
Simplify  —
      5
Equation at the end of step  1  :
   1      1
 (0-(—•(7z-4)))+(—•(5z-15))
   4      5
Step  2  :
Step  3  :
Pulling out like terms :
3.1 Â Â Pull out like factors :
 5z - 15  =  5 • (z - 3)
Equation at the end of step  3  :
    1        Â
 (0 -  (— • (7z - 4))) +  (z - 3)
    4        Â
Step  4  :
      1
Simplify  —
      4
Equation at the end of step  4  :
    1        Â
 (0 -  (— • (7z - 4))) +  (z - 3)
    4        Â
Step  5  :
Equation at the end of step  5  :
    (7z - 4)  Â
 (0 -  ————————) +  (z - 3)
     4    Â
Step  6  :
Rewriting the whole as an Equivalent Fraction :
6.1 Â Adding a whole to a fraction
Rewrite the whole as a fraction using  4  as the denominator :
      z - 3   (z - 3) • 4
  z - 3 =  —————  =  ———————————
       1       4  Â
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole
Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator
Adding fractions that have a common denominator :
6.2 Â Â Â Adding up the two equivalent fractions
Add the two equivalent fractions which now have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:
(4-7z) + (z-3) • 4   -3z - 8
——————————————————  =  ———————
    4         4 Â
Step  7  :
Pulling out like terms :
7.1 Â Â Pull out like factors :
 -3z - 8  =  -1 • (3z + 8)
Final result :
 -3z - 8
 ———————
  4 Â
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Final result :
 -3z - 8
 ———————
  4 Â
Step by step solution :
Step  1  :
      1
Simplify  —
      5
Equation at the end of step  1  :
   1      1
 (0-(—•(7z-4)))+(—•(5z-15))
   4      5
Step  2  :
Step  3  :
Pulling out like terms :
3.1 Â Â Pull out like factors :
 5z - 15  =  5 • (z - 3)
Equation at the end of step  3  :
    1        Â
 (0 -  (— • (7z - 4))) +  (z - 3)
    4        Â
Step  4  :
      1
Simplify  —
      4
Equation at the end of step  4  :
    1        Â
 (0 -  (— • (7z - 4))) +  (z - 3)
    4        Â
Step  5  :
Equation at the end of step  5  :
    (7z - 4)  Â
 (0 -  ————————) +  (z - 3)
     4    Â
Step  6  :
Rewriting the whole as an Equivalent Fraction :
6.1 Â Adding a whole to a fraction
Rewrite the whole as a fraction using  4  as the denominator :
      z - 3   (z - 3) • 4
  z - 3 =  —————  =  ———————————
       1       4  Â
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole
Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator
Adding fractions that have a common denominator :
6.2 Â Â Â Adding up the two equivalent fractions
Add the two equivalent fractions which now have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:
(4-7z) + (z-3) • 4   -3z - 8
——————————————————  =  ———————
    4         4 Â
Step  7  :
Pulling out like terms :
7.1 Â Â Pull out like factors :
 -3z - 8  =  -1 • (3z + 8)
Final result :
 -3z - 8
 ———————
  4 Â
Processing ends successfully
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