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x in (-oo:+oo)
(9*x)/10+x/8 = 0
41/40*x = 0 // : 41/40
x = 0
x = 0
| y/5=y/7-4 | | m/3-m=8 | | w^2+12w+36+5=5 | | 43+i/i | | (8/X)+1=(8/X-1) | | (8/X)+1-(8/X-1) | | 5x-7x+7=-9+3 | | 4x^2-100y^2=0 | | 1d+14.75=75 | | -25w-20=-30 | | 1d+14.75=50 | | 3k^3+9k^2-84k=0 | | 18d^2-2d-20=0 | | 21m^5n-9m^4n^3+12m^3n^5/3m^2n | | n/17=25 | | g+12.5=16.75 | | 7x^2+0.8x-1.7=0 | | a-21=15 | | 12b^2-75b=0 | | -3/5u+7/5=-3/2u-6 | | g+12.5=17.75 | | -1/2=5/6v-2/5 | | 2y+10=38 | | -3+-7+c=10 | | g+12.5=18.1 | | 9y=1/3 | | -4/11z=-1/3 | | -1/5u-1/2=-3/7 | | 28.13/165.47=x/263.53 | | 15x^2+19x-10=0 | | -5/6+6/7w=-1/3 | | 165.47/28.13=x/263.53 |