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Simplify each expression.

1. 5/3k + 4/3k
2. 5/m-3 - 1/3-m
3. 2n/n+2 + 4/n+2
4. 8p/7 - p+14/7
5. 3q/q-4 - 12/q-4

Math 7 po ito. Need ng kahit konting solution.​


Sagot :

SIMPLIFY EACH EXPRESSION

Answer:

[tex] \sf{1. \: \frac{5}{3k} + \frac{4}{3k}} [/tex]

  • [tex] \sf{ \frac{5 + 4}{3k} = \frac{9}{3k} }[/tex]
  • [tex] \boxed{ \sf \bold{ = \: \frac{3}{k} }}[/tex]

[tex]\sf{2. \: \frac{5}{m - 3} - \frac{1}{3 - m} }[/tex]

  • [tex] \sf{ \frac{5}{m - 3} + \frac{1}{m - 3} }[/tex]
  • [tex] \boxed{ \sf \bold{ = \: \frac{6}{m - 3} }}[/tex]

[tex] \sf{ 3. \: \frac{2n}{n + 2} + \frac{4}{n + 2} }[/tex]

  • [tex] \sf{ \frac{2 \cancel{(n + 2)}}{ \cancel{(n + 2)}} }[/tex]
  • [tex] \boxed{ = \: \sf \bold{2}}[/tex]

[tex] \sf{4. \: \frac{8p}{7} - \: \frac{p + 14}{7} }[/tex]

  • [tex] \sf{ \frac{8p - p - 14}{7} }[/tex]
  • [tex] \sf{ \frac{7p - 14}{7} }[/tex]
  • [tex] \sf{\frac{7(p - 2)}{7} }[/tex]
  • [tex] \boxed{ = \: \sf \bold{p - 2}}[/tex]

[tex] \sf{5. \: \frac{3q}{q - 4} - \frac{12}{q - 4} }[/tex]

  • [tex] \sf{ \frac{3q - 12}{q - 4} }[/tex]
  • [tex] \sf{ \frac{3 \cancel{(q - 4)}}{ \cancel{q - 4}}} [/tex]
  • [tex] \boxed{\sf \bold{ = \: 3}}[/tex]