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Math

posted by on .

-4/13y – 7=6

8a – 3+1.2a = 9

5f + 1/8 = -3 (Find the value of f)

p + 3/10 = 4 (Find the value of p)

  • Math - ,

    -4/13y-7=6
    -4/13y=6+7
    -4/13y=13
    -4/13=13y
    -4/(13*13)=y
    -4/169=y


    p+3/10=4
    p+3/10=40/10
    p=40/10-3/10
    p=37/10
    p=3.7

    you can solve the other two in the same method, hope this helps!

  • Math - ,

    First, you want to get the numbers on one side and the terms containing the unknown on the other.

    -4/13y – 7 = 6

    -4/13y = 13

    To get the y alone on one side, multiply both sides by -13/4.

    y = 13(-13/4)

    y = -169.4 or -42.25 or -42 1/4

    I hope this makes the process clearer.

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