Question

Help plzzzz :( quick if you can?

Answer 1

Answer: -9+13f is the correct answer

Explanation:

Answer 2

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`\large{ \tt{EXPLANATION}} :`

Q. What do you mean by like terms and unlike terms?

⇢ Like terms are those which have the same base whereas unlike terms are those which have the different base [ For eg : In 6p , 3r , 4p & 4r , 6p and 4p are like terms as they have the same base i.e p & 3r and 4r are like terms as they have the same base i.e r ] . Like terms can be added or subtracted as per the signs given and unlike terms are kept as they are. Only coefficient of like terms can be added or subtracted.

• Lets solve :

`\large{ ✶ \: \bf{6f - 1 + 7f - 8}}`

`\large{ \bf{↬ \: -1 - 8 + 6f + 7f}}`

`\boxed{\large{ \bf{↬- 9 + 13 f}}}`

`\boxed{ \boxed{ \large{ \tt{↭ \: OUR \: FINAL \:ANSWER : \boxed{ \underline{ \underline{ \tt{-9 + 13f }}}}}}}}`

`\large{ \tt{ \: SIGN \: RULES \: OF \: ADDITION \: AND \: SUBTRACTION}} :`

• The positive integers are always added and possess the positive ( + ) sign. For example : ( +2 ) + ( + 3 ) = + 5

• The negative integers are always added but possess the negative ( - ) sign . For example : ( - 5 ) + ( - 2 ) = - 7

• The negative and positive integers are always subtracted but possess the sign of the bigger integer. For example : ( + 7 ) + ( - 3 ) = 4

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`\large{ \tt{STUDY \: TIP}} :`

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