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21.8x=-125.26
We move all terms to the left:
21.8x-(-125.26)=0
We add all the numbers together, and all the variables
21.8x+125.26=0
We move all terms containing x to the left, all other terms to the right
21.8x=-125.26
x=-125.26/21.8
x=-5+12.904761904762/17.301587301587
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