Determine what kind of solution the following equations have and why. (2 points) 1) 3z+12+2=8+4+z has 2) 4 (z+1)=4z+1 has Item 1 Item 2 Item 3 Item 4 Item 5 Item 6 Item 7 Item 8 :: One solution because when you solve for x, the result is x = 0 :: One solution because when you solve for x, the result is x = 6 No solution because you end up with a false statement - no value of x will make the equation true :: Infinite solutions because you end up with a true statement - any value of x will make the equation true

3 answers

Let's analyze each equation systematically to determine the type of solution they have.

  1. Equation: \( 3z + 12 + 2 = 8 + 4 + z \)

First, simplify both sides:

Left-hand side: \( 3z + 12 + 2 = 3z + 14 \)

Right-hand side: \( 8 + 4 + z = 12 + z \)

Now the equation looks like: \[ 3z + 14 = 12 + z \]

Next, let's isolate \( z \). Subtract \( z \) from both sides: \[ 3z - z + 14 = 12 \] \[ 2z + 14 = 12 \]

Now, subtract 14 from both sides: \[ 2z = 12 - 14 \] \[ 2z = -2 \]

Finally, divide by 2: \[ z = -1 \]

Since we found a specific value for \( z\), this means this equation has one solution.


  1. Equation: \( 4(z + 1) = 4z + 1 \)

First, expand the left-hand side: \[ 4(z + 1) = 4z + 4 \]

So now the equation looks like: \[ 4z + 4 = 4z + 1 \]

Next, we subtract \( 4z \) from both sides: \[ 4 = 1 \]

This results in a false statement. Since there is no value of \( z \) that can make \( 4 = 1 \) true, this equation has no solution.


Summary:

  • Item 1: One solution because when you solve for \( z \), the result is \( z = -1 \).
  • Item 2: No solution because you end up with a false statement - no value of \( z \) will make the equation true.
give me only the answers
  1. One solution.
  2. No solution.
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