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2(3.14)(9)+2(3.14)(3)(8)=x
We move all terms to the left:
2(3.14)(9)+2(3.14)(3)(8)-(x)=0
We add all the numbers together, and all the variables
-1x+295.16=0
We move all terms containing x to the left, all other terms to the right
-x=-295.16
x=-295.16/-1
x=295+0.16000000000003/1
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