Math

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Solving Equations with Grouping Symbols:

3(g-3)=6

Please explain how to do this

Rules:
Use Distributive Property
Combine like terms
Solve by using inverse operations

  • Math -

    3(g-3)=6

    3g - 9 = 6

    3g - 9 + 9 = 6 + 9

    3g = 15

    g = 15/3

    g = 5

  • Math -

    What about :
    5(2c+7)=80

  • Math -

    I don't understand it still

  • Math -

    5(2c+7)=80

    Parentheses means multiply.

    10c + 35 = 80

    Get the knowns on one side -- so subtract 35 from each side.

    10c + 35 - 35 = 80 - 35

    10c = 45

    Divide both sides by 10

    c = 45/10

    c = 4.5

  • Math/solving two-step equatios(distributive properties) -

    Good morning I am actually trying to help my nephew who lives with me,he has a hard time understanding math and how to solve the equations. Is there anyone who can give me help on solving this & like problems with step by step (written in words explaining exactly how to solve it). 3(c+5)=12. 5(4d+8)=40. -(2k-11)=7. 3/4(4x+8)=-12. 1/3(9c-36)=-9. Any help would be greatly appreciated! Thank you Ann

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