7+3x=257

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Solution for 7+3x=257 equation: 



7+3x=257

We move all terms to the left:

7+3x-(257)=0

We add all the numbers together, and all the variables

3x-250=0

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

3x=250

x=250/3

x=83+1/3

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