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x in (-oo:+oo)
x+x-(4/4) = 0
x+x-1 = 0
2*x-1 = 0 // + 1
2*x = 1 // : 2
x = 1/2
x = 1/2
| 2-x/2+x | | 3x-5/x-6 | | 12-x/x-6 | | 14+10/4 | | 168*X=120 | | x+4/2=9-3x | | -8=4/x | | 168/X=120 | | 120*X=168 | | 7,4=1,5-x | | x+100+80=180 | | 5x-[7-(2x-1)]=3(x+5)+4(x+3) | | 61-2x=12-7x | | y+85+50=180 | | -17=18y | | 3.69*X=5.5 | | x+60+35=180 | | x+(0.2x)=391 | | 6.5*x=4.62 | | 5.5*X=3.69 | | v^2-v-6/4v^2-16 | | 4/(5x+15)-1/(x+3)=3/5 | | 5.5xA=3.69 | | a+(a+8)+(a-5)=158 | | a+(a+8)+(a-5)=150 | | 2x/3+x/2=5/6 | | 8x+11-x=7x | | x+2,7=-3,6 | | 8/x=5/4 | | f/3+10=15 | | m=7/6 | | y+7/6=2y |