5) 19t–3/8=5/7–42t
6) 6/11–31,28k=–2/3+8,72k
2) –4,5(3x+2)+1,6(5-4x)=3,1x+1,3
3)5/21(7-4x)-4/35(5x+7)=2/15-2/7
4)9/16(32+x)+7/12(36-x)=5/16x-7
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