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  • - x/7 = 4
    x = -28
  • 3 - p = 12
    p = -9
  • 13 - 4x = 1 - x
    x=4
  • 2(m + 2) = 2(2m + 2)
    m = 0
  • -2(a - 3) = -(4 + 2a)
    no solution
  • Expand using distributive property. - (x - 3)
    -x + 3
  • 6r + 7 = 13 + 7r
    r = -6
  • Solve for x.
    x = 59
  • 2/5 - x = 1/3
    x = 1/15
  • 8x + 4(4x - 3) = 4(6x + 4) - 4
    no solution
  • Solve for x. This is a regular pentagon (all sides are equal).
    x = 1.5 or 3/2
  • 2/9 x = -4
    x = -18
  • -6x - 20 = -2x + 4(1 - 3x)
    x = 3
  • -3(x - 1) + 8(x - 3) = 6x + 7 - 5x
    x = 7
  • 4p - 8 = 13
    21/4
  • 4n - 40 = 7(-2n + 2)
    n = 3
  • - x = 3
    x = -3
  • Solve the proportion.
    m = 1
  • Solve the proportion.
    x = 7
  • The perimeter of the triangle is 37 cm. Solve for x.
    x = 4
  • -14 + 6x + 7 - 7x = 1 + 5x
    x = -4/3
  • Solve the proportion.
    x = 26
  • 1/2 x = 12
    x = 24
  • -(1 + 7x) - 6(-7 - x) = 36
    x = 5