Solve the Decimal Equation: Finding the Number in x - 0.1 = 0.6

Fill in the missing value (?):

?−0.1=0.6 ?-0.1=0.6

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Step-by-step video solution

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00:00 Identify which of the following answers is correct
00:03 Insert each of the potential answers into the expression in order to verify which of them is correct
00:07 Use vertical addition to calculate the problem
00:12 Insert one of the answers into the expression and proceed to calculate
00:24 We can see that the first option doesn't fit, let's move on to the second one
00:28 Let’s apply the same method as before and proceed to check
00:36 Insert one of the answers into the expression and calculate
00:53 We can see that the second option doesn't fit, let's move on to the third one:
00:57 Once again apply the same method as before and proceed to check
01:01 Insert one of the remaining answers into the expression and calculate
01:19 We can see that the third option doesn't fit, let's move on to the fourth one:
01:27 Apply the same method as before and proceed to check
01:33 Insert the remaining answer into the expression and proceed to calculate
01:44 We can see that the fourth option fits
01:49 This is the solution

Step-by-step written solution

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1

Understand the problem

Fill in the missing value (?):

?−0.1=0.6 ?-0.1=0.6

2

Step-by-step solution

To solve the equation ?−0.1=0.6 ? - 0.1 = 0.6 , follow these steps:

  • Step 1: The equation given is ?−0.1=0.6 ? - 0.1 = 0.6 .
  • Step 2: To isolate the variable ? ? , add 0.1 0.1 to both sides of the equation.

This gives:

?=0.6+0.1 ? = 0.6 + 0.1

  • Step 3: Perform the addition on the right side.

0.6+0.1=0.7 0.6 + 0.1 = 0.7

Therefore, the missing value in the equation is 0.7 0.7 .

This corresponds to choice 4, which is 0.7.

3

Final Answer

0.7

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