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aleksandrvk [35]
2 years ago
6

What is 12+5x=2x-9 step by step

Mathematics
1 answer:
Alja [10]2 years ago
6 0

Answer:

  x = -7

How to:

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

5°x-(2°x-9)=0

Pull out like factors:

21 + 3x  =   3 • (x + 7)

Equations which are never true:  Solve 3   =  0

<em>Solving a Single Variable Equation:</em>

Solve  :    x+7 = 0

Subtract  7  from both sides of the equation : x = -7

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