3,7-2,6x+7,8=5*7,8
11,5-2,6x=39
-2,6x=27,5
x=27,5:(-2,6)
X= - 275/26
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3,7-2,6x+7,8=5*7,8
11,5-2,6x=39
-2,6x=27,5
x=27,5:(-2,6)
X= - 275/26