x+278=450;x=172

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Solution for x+278=450;x=172 equation: 



x+278=450x=172

We move all terms to the left:

x+278-(450x)=0

We add all the numbers together, and all the variables

-449x+278=0

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

-449x=-278

x=-278/-449

x=278/449

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