Question

3.97x+20.04x+0.63x=5050
80.6-(х-7,98)=63,4

Answer 1

$3.97x+20.04x+0.63x=5050\24,64x=5050\x=frac{61325}{308}\bold{x=204frac{293}{308}}$

$80,6-(x-7,98)=63,4\80,6-x+7,98=63,4\88,58-x=63,4\-x=63,4-88,58\-x=-25,18\bold{x=25,18}$