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k in (-oo:+oo)
(1/3)*k+1/5 = k-(2/3) // - k-(2/3)
(1/3)*k-k+1/5+2/3 = 0
13/15-2/3*k = 0 // - 13/15
-2/3*k = -13/15 // : -2/3
k = -13/15/(-2/3)
k = 13/10
k = 13/10
| 4m=45 | | 8v=-17 | | 6x-3=y | | -6-4=4x+6-3x | | 7(4q-1)=245 | | 1/2(5-35)=-10x | | 9/2-m/7 | | x(6x+31)+35=0 | | 2(8x-10)=(6x)2 | | -4=7.33x | | 6(6g-1)=30 | | 1/4-k/9 | | 3n+8=-23 | | -20=4(4v-1) | | 2x+16=6x-18 | | (-7/10)+(5/10) | | 0.4x-1.5=0.5 | | 8.44=34.6/5+4h/5 | | 40=4(4q-2) | | 217-7x=29x+21 | | 5a-6-2a=17 | | -6=2(2a-1) | | 2/5y-8=9-2/5y | | 2(a-4)=4a-3(a+4) | | 7y+2(y-6)=4(y+1)-3 | | 1/5(12+k)=32 | | 7-m=-3n | | (-13)-1/4h=7 | | 8/9-x/5 | | 2=2(2u-1) | | 1/5(12+k)=25 | | (38/45)-(6/35) |