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12x>9(2x−3)−21
Step 1: Simplify both sides of the inequality.
12x>18x−48
Step 2: Subtract 18x from both sides.
12x−18x>18x−48−18x
−6x>−48
Step 3: Divide both sides by -6.
−6x /−6 > −48 /−6
x<8