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19x+3=90+30
We move all terms to the left:
19x+3-(90+30)=0
We add all the numbers together, and all the variables
19x+3-120=0
We add all the numbers together, and all the variables
19x-117=0
We move all terms containing x to the left, all other terms to the right
19x=117
x=117/19
x=6+3/19
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