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t in (-oo:+oo)
(5*t)/6-(t/2) = 0
1/3*t = 0 // : 1/3
t = 0
t = 0
| x=3x-38 | | 2x+7t=9 | | 21-16-5x/2 | | 8*4+7*(4+1)= | | f(x)=x+20 | | 2(y-8)-3(2y-5)= | | 1/2x-4=12/5-3/4x | | 8x+3=4x-8 | | 3x-38=23 | | 7k+9c-2k+3c= | | (5+x)+(x+4)=25 | | 12-10cosy=8 | | 7x-4y-30=0 | | 13/8-3/8 | | 6a+10-2a-2= | | b-8.1=11.9 | | 10=7t-80 | | 2=4y-14 | | (23/5)(7/69) | | 16=my-14 | | 8x/6=-8 | | 100+5x=205+2x | | 13x-21=6 | | 8x-9=-26 | | -7b+2a+3b-5a= | | 11=a/3-6 | | 50x+.02=75x+.01 | | 0.28x=4 | | .026-.03(x+3)=-.04(1-x) | | 11y+36=91 | | 245/325 | | 14x^2-35x/2x-5 |