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31 October, 07:23

Charlie solved an equation. as shown below:

Step 1: 5x = 30

step 2: x = 30 - 5

step 3: x = 25

Part A: is Charlie's solution correct or incorrect? if the solution is incorrect, explain why it is inccorect an show the correct steps to solve the equation.

Part B: How many solutions will this equation have?

+1
Answers (1)
  1. 31 October, 07:34
    0
    Charlie's solution is incorrect. He did step 2 incorrectly. Because the equation is 5x = 30, he needs to divide by 5 instead of subtract 5 from both sides.

    If this was done correctly, it would like like this:

    Step 1: 5x = 30

    Step 2: x = 30/5

    Step 3: x = 6

    This equation will only have one solution, x = 6.
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