Evaluate 2x - 4 for x = 9. Evaluate - b + 8 for b = 3. Find the value of the expression 12x+3 if x = 12. For the equation y = 3x + 4, find the value of y if x = 2. The expression $25 + $10h gives the amount of money that Stephanie earns per day, where h is the number of hours she works. How much does she earn if she works 4 hours? Simplify each of the following expressions: 3 (x + 2) + 4 (x - 2) 2 (x + y) - 3 (x + y) - (y + 8) + 4 (6 - y) 2 (4x + 3) - 3 (x + 1)
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Home » Mathematics » Evaluate 2x - 4 for x = 9. Evaluate - b + 8 for b = 3. Find the value of the expression 12x+3 if x = 12. For the equation y = 3x + 4, find the value of y if x = 2.