Question

Which step is needed to solve for x? x + 8 = 20

Answer 1

Answer:

x+8=20

x=20-8

x=12

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Answer 2

Answer:

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

                    x-8-(20-x)=0  

Step by step solution :

STEP

1

:

Pulling out like terms

1.1     Pull out like factors :

  2x - 28  =   2 • (x - 14)  

Equation at the end of step

1

:

STEP

2

:

Equations which are never true:

2.1      Solve :    2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

2.2      Solve  :    x-14 = 0  

Add  14  to both sides of the equation :  

                     x = 14tep-by-step explanation: