# SOLUTION: How do you solve these questions -3x< 9 x + 12< - 5x -x/4> -1 5x + 8 < 6x + 9

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 Question 49147: How do you solve these questions -3x< 9 x + 12< - 5x -x/4> -1 5x + 8 < 6x + 9 Answer by tutorcecilia(2152)   (Show Source): You can put this solution on YOUR website!These are solved the same way as you would solve regular equations, except when you multiply or divide by a negative number, switch the direction of the sign. . -3x< 9 -3x/-3>9/-3 x>-3 . . x + 12< - 5x x + 12 -12< - 5x -12 x < - 5x -12 x +5x< - 5x + 5x -12 x + 5x< -12 6x< -12 6x/6< -12/6 x< -2 . . -x/4> -1 (4/1)(-x/4)> (4/1)(-1) -x > -4 -x/-1 < -4/-1 x<4 . . 5x + 8 < 6x + 9 5x -5x + 8 < 6x -5x + 9 8 < x + 9 8 - 9 < x + 9 - 9 -1 < x