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Equations Review

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    Solving Equations
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  • 13 - 4x = 1 - x
    x=4
  •  10
  • 6r + 7 = 13 + 7r
    r = -6
  •  10
  • 4n - 40 = 7(-2n + 2)
    n = 3
  •  10
  • 2(m + 2) = 2(2m + 2)
    m = 0
  •  10
  • -2(a - 3) = -(4 + 2a)
    no solution
  •  10
  • 2/9 x = -4
    x = -18
  •  5
  • 2/5 - x = 1/3
    x = 1/15
  •  5
  • - x/7 = 4
    x = -28
  •  5
  • - x = 3
    x = -3
  •  5
  • -(1 + 7x) - 6(-7 - x) = 36
    x = 5
  •  15
  • -14 + 6x + 7 - 7x = 1 + 5x
    x = -4/3
  •  15
  • -6x - 20 = -2x + 4(1 - 3x)
    x = 3
  •  15
  • -3(x - 1) + 8(x - 3) = 6x + 7 - 5x
    x = 7
  •  15
  • 8x + 4(4x - 3) = 4(6x + 4) - 4
    no solution
  •  15
  • Solve the proportion.
    m = 1
  •  20
  • Solve the proportion.
    x = 7
  •  20