2025年2月4日 · The equation representing the value of the card is y = 3 x + 39, where: y is the total value of the card in dollars, x is the number of years that Robert has owned the card. To find the original value of the card, we set x = 0 because this represents the time when Robert initially purchased the card. Substitute x = 0 into the equation: y = 3 (0 ...

2025年1月15日 · The value of a baseball card can be represented by the equation y = 3 x + 39, where x represents the number of years that Robert has owned the card, and y represents the total value, in dollars, of the card. What was the value of the card when Robert originally purchased it? A. $3 B. $13 C. $36 D. $39

First equation: y = − 3 x − 9; Second equation: y = 3 1 x − 39; Equalize the equations: Since both equations are equal to y, we can set them equal to each other: − 3 x − 9 = 3 1 x − 39. Eliminate the fraction: Multiply every term by 3 to eliminate the fraction: 3 (− 3 x − 9) = 3 (3 1 x − 39) This simplifies to: − 9 x − 27 ...

2025年1月27日 · y = 3 x + 39 Here: - y is the total value of the card in dollars. - x is the number of years Robert has owned the card. To find the value of the card when it was originally purchased, set x = 0: y = 3 (0) + 39 Simplifying, we get: y = 0 + 39 y = 39 Therefore, the value of the card when Robert originally purchased it was $39.

2024年10月30日 · 12 − 5 3 x > 39. Step 1: Subtract 12 from both sides. To isolate the term with x, subtract 12 from both sides: 12 − 5 3 x − 12 > 39 − 12. This simplifies to: − 5 3 x > 27. Step 2: Solve for x. Next, we will solve for x. To do this, we will multiply both sides of the inequality by − 3 5 . Remember that when we multiply or divide both ...

2024年9月27日 · y = 3 x + 39. Here, y represents the total value of the card in dollars, and x represents the number of years that Robert has owned the card. The key to solving this problem is to find the value of the card when Robert originally purchased it. This corresponds to when x = 0, as at that point no years have passed since the purchase.

2025年1月20日 · y = − 3 x − 9; y = 3 1 x − 39; We want to find the values of x and y that satisfy both equations at the same time. Step 1: Set the equations equal to each other because both express y. This gives us: − 3 x − 9 = 3 1 x − 39. Step 2: To eliminate the fraction, multiply every term by 3. This simplifies to: − 9 x − 27 = x − 117 ...

2020年9月19日 · The phrase "the product of 3 and a number" means we are multiplying 3 by x. We can write this as: 3 ⋅ x. According to the question, this product is equal to 39. Therefore, we can set up the equation: 3 x = 39. To solve for x, we need to isolate it. We can do this by dividing both sides of the equation by 3: x = 3 39 Now, performing the ...

3 x + 39 = 180. Subtract 39 from both sides: 3 x + 39 − 39 = 180 − 39 This simplifies to: 3 x = 141. Now, divide both sides by 3 to isolate x: 3 3 x = 3 141 This leads to: x = 47. The original solution included an unnecessary step "39 - 39" which doesn't impact the calculation. The correct answer is therefore x = 47.

2025年1月2日 · Solve for x: Subtract 4 from both sides to find the expression for 3 x: 3 x = 117 Now, divide by 3 to solve for x: x = 39 Therefore, the solution to the equation is x = 39 . Answered by GinnyAnswer • 5.6M answers • 587.6M people helped