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27 February, 12:22

1 Solve:

8r + 4 = 10 + 2r

2 Solve:

-2 (x + 3) = 4x - 3

3 5 + 3 (q - 4) = 2 (q + 1)

4 7x - 4 = - 2x + 1 + 9x - 5

5 Solve:

8x + 6 - 9x = 2 - x - 15

+2
Answers (1)
  1. 27 February, 14:52
    0
    Step-by-step explanation:

    1 Solve:

    8r + 4 = 10 + 2r

    We will collect the variable terms on the left hand side of the equation and constants on the right hand side of the equation

    8r - 2r = 10-4

    6r = 6

    r = 6/6 = 1

    2 Solve:

    -2 (x + 3) = 4x - 3

    -2x - 6 = 4x - 3

    We will collect the variable terms on the left hand side of the equation and constants on the right hand side of the equation

    -2x - 4x = - 3 + 6

    -6x = 3

    x = 3/-6

    x = - 1/2

    3 Solve

    5 + 3 (q - 4) = 2 (q + 1)

    5 + 3q - 12 = 2q+2

    We will collect the variable terms on the left hand side of the equation and constants on the right hand side of the equation

    3q - 2q = 2 + 12 - 5

    q = 9

    4. Solve

    7x - 4 = - 2x + 1 + 9x - 5

    We will collect the variable terms on the left hand side of the equation and constants on the right hand side of the equation

    7x + 2x-9x = 1 - 5 + 4

    0 = 0

    5 Solve:

    8x + 6 - 9x = 2 - x - 15

    We will collect the variable terms on the left hand side of the equation and constants on the right hand side of the equation

    8x - 9x + x = 2 - 15 - 6

    0x = - 19

    0 = 19
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