3x+100=90

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Solution for 3x+100=90 equation: 



3x+100=90

We move all terms to the left:

3x+100-(90)=0

We add all the numbers together, and all the variables

3x+10=0

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

3x=-10

x=-10/3

x=-3+1/3

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