А) 5/9x-7/4x+17/18x=-1/4
20/36x-63/36x+34/36x=-9/36
-9/36x=-9/36
x=-9/36:(-9/36)=-9/36*(-36/9)
x=1
б) 1/6x-0.82=3/8x-1.37
1/6x-3/8x=0.82-1.37
4/24x-9/24x=-0.55
-5/24x=-11/20
x=-11/20:(-5/24)=-11/20*(-24/5)
x=66/25=2 16/25
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Answers & Comments
А) 5/9x-7/4x+17/18x=-1/4
20/36x-63/36x+34/36x=-9/36
-9/36x=-9/36
x=-9/36:(-9/36)=-9/36*(-36/9)
x=1
б) 1/6x-0.82=3/8x-1.37
1/6x-3/8x=0.82-1.37
4/24x-9/24x=-0.55
-5/24x=-11/20
x=-11/20:(-5/24)=-11/20*(-24/5)
x=66/25=2 16/25