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3.1-9.4x=-51.42
We move all terms to the left:
3.1-9.4x-(-51.42)=0
We add all the numbers together, and all the variables
-9.4x+54.52=0
We move all terms containing x to the left, all other terms to the right
-9.4x=-54.52
x=-54.52/-9.4
x=5+4.9473684210526/6.1842105263158
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