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Combining like terms, solving equations and ineq ...

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  • Evaluate the expression when x = -3 3(2x + 12)
    18
  • The length of a rectangle is four times the width. The perimeter is 50 feet. Find the length and width of the rectangle.
    length = 20 and width = 5
  • Evaluate the expression when x = -6. 4(3x + 24)
    24
  • Solve the equation. -3m - 14 = 28
    m = - 14
  • Solve the equation for n. 30 = 4n - 6
    n = 9
  • Solve the equation for x. 4x - 8 = 12
    x = 5
  • Solve the equation for x. 3x + 4 = 19
    x = 5
  • Solve the inequality for x and graph the solution. x + 5 >/= 2
    x >/= -3. Closed circle at -3 and arrow going right.
  • Solve and graph the inequality. x - 3 </= 4
    x </= 7. Closed circle at 7 with an arrow going left.
  • Simplify the expression. 5x + 3/4 - 1/4 + x - 9
    6x - 8 1/2
  • Evaluate the expression when x = -4. 4(2x + 10)
    x = 8
  • Solve and graph the inequality. y - 8 < -10
    y < -2. Open circle at -2 and shaded to the left.
  • Solve the equation for x. 4x - 9 = 19
    x = 7
  • Solve the inequality for b and graph the solution. b - 7 >/= -3
    x >/= 4. Closed circle at 4 and arrow goes right.
  • Simplify the expression. 4x + 1/4 + 1/4 + x - 3
    5x - 2 1/2
  • Solve the equation for m. 2m+14=16
    m = 1