Solve the Equation -8 - x = 5 to Find the Value of X

Find the value of the parameter X

8x=5 -8-x=5

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Step-by-step video solution

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00:00 Solve
00:03 Isolate the unknown X
00:20 Simplify what we can
00:28 Convert from negative to positive
00:37 Negative times negative always equals positive
00:45 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Find the value of the parameter X

8x=5 -8-x=5

2

Step-by-step solution

To solve the given linear equation 8x=5 -8 - x = 5 , we will follow these steps:

  • Add 8 to both sides of the equation to isolate the term involving x x .
  • Subtract x x from both sides to further simplify; however, applying approach 1 directly cancels this step.
  • Multiply both sides by -1 to solve for x x .

First, let's add 8 to both sides of the equation:

8x+8=5+8 -8 - x + 8 = 5 + 8

This simplifies to:

x=13 -x = 13

To find x x , multiply both sides of the equation by -1:

x=13 x = -13

Therefore, the solution to the equation is x=13 x = -13 .

3

Final Answer

13 -13

Practice Quiz

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\( x+7=14 \)

\( x=\text{?} \)

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