simplifying algebraic expressions?

PLEASE HELP!!! yes it is homework. but im only asking your help on the ones im not sure of.

-7 + g + 1 - 6g = -5-6g?

-11f + 6 - f + 4 +13f - 9 = 1f+1?

3(d - 4) + 2 - 2d + 1 - d = ?

-12 + 7(d - 1) + 14 - d = ?

Update:

thanks but i dont need to kno wat the letter stands for.!! i jzt need to "simplify" it lol

3 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    1. g=1

    2. infinitely many 0x=0

    3. no solution 0d=9

    4. d= 5/6

    Source(s): algebra 2 stud
  • 1 decade ago

    3d - 12 +2-2d+1-d= -9

    -12 + 7d - 7 + 14 -d= -5+6d

    The others are correct

  • 1 decade ago

    7+g+1-6g=-5-6g

    *add like terms on each sides: 8-5g=-5-6g

    *subtracts 8 from both sides: -5g=-13-6g

    *add 6 to both sides: g=-13

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