This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
Welcome back Cherry🍒 — been a while! Let's pick up where you left off. Here are the numerical values for each expression: 1) For x+5 if x=7: Step 1: Substitute x=7 into the expression. 7+5 Step 2: Perform the addition. 12 The numerical value is 12. 2) For x-4 if x=-3: Step 1: Substitute x=-3 into the expression. -3-4 Step 2: Perform the subtraction. -7 The numerical value is -7. 3) For 4x if x=9: Step 1: Substitute x=9 into the expression. 4 × 9 Step 2: Perform the multiplication. 36 The numerical value is 36. 4) For (18)/(x) if x=-3: Step 1: Substitute x=-3 into the expression. (18)/(-3) Step 2: Perform the division. -6 The numerical value is -6. 5) For 3x+2 if x=9: Step 1: Substitute x=9 into the expression. 3 × 9 + 2 Step 2: Perform the multiplication. 27 + 2 Step 3: Perform the addition. 29 The numerical value is 29. 6) For 7y-3 if y=8: Step 1: Substitute y=8 into the expression. 7 × 8 - 3 Step 2: Perform the multiplication. 56 - 3 Step 3: Perform the subtraction. 53 The numerical value is 53. 7) For -a if a=-6: Step 1: Substitute a=-6 into the expression. -(-6) Step 2: Simplify the expression. 6 The numerical value is 6. 8) For -a if a=5: Step 1: Substitute a=5 into the expression. -(5) Step 2: Simplify the expression. -5 The numerical value is -5. 9) For a^2 if a=3: Step 1: Substitute a=3 into the expression. 3^2 Step 2: Calculate the square. 9 The numerical value is 9. Send me the next one 📸