Помогите номер 1348 весь.

Question

Помогите номер 1348 весь.

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Answer 1

8,4*(x+4,4)=4,6*(3x+5,1)
8,4x+36,96=13,8x+23,46
13,8x-8,4x=36,96-23,46
5,4x=13,5
x=13,5:5,4
x=2,5
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2.2/3(x-1.1/8)=1.1/2*(x+1/3)
8/3*(x-9/8)=3/2*(x+1/3)
8/3x-3=3/2x+1/2
8/3x-3/2x=1/2+3
16/6x-9/6x=3.1/2
7/6x=3.1/2
x=3.1/2:7/6
x=7/2*6/7
x=3