Solution - Linear equations with one unknown

x = - \frac{7}{512} = - 0.014

x=-7/512=-0.014

Step by Step Solution

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

8^3*x-(-7)=0

Step by step solution :

Step 1 :

 1.1     8 = 2³

(8)³ = (2³)³ = 2⁹

Equation at the end of step 1 :

  (2⁹ • x) -  -7  = 0

Step 2 :

Equation at the end of step 2 :

  512x + 7  = 0

Step 3 :

Solving a Single Variable Equation :

3.1      Solve  :    512x+7 = 0

Subtract 7 from both sides of the equation :
                      512x = -7
Divide both sides of the equation by 512:
                     x = -7/512 = -0.014

One solution was found :

x = -7/512 = -0.014

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Terms and topics

Linear equations with one unknown