x*4+12=20

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Solution for x*4+12=20 equation: 



x*4+12=20

We move all terms to the left:

x*4+12-(20)=0

We add all the numbers together, and all the variables

x*4-8=0

Wy multiply elements

4x-8=0

We move all terms containing x to the left, all other terms to the right

4x=8

x=8/4

x=2

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