Question

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1)0,4(6-4y)=0,5(7-3y)-1,9
2)34(16x-13)=2x-11 12

Answer 1

2.4-1.6y=3.5-1.5y-1.9
-1.6y+1.5y=-1.9+3.5-2.4
-0.1y=-0.8
y=8

3.4X1/6x-3/4X1/3=2x-11 1/2
1/8x-1/4=2x-11 1/2
1/8x-2x=-11 1/2+1/4
-1 7/8=-11 3/4
x=47/4X8/15
x=94/15=6 4/15