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x in (-oo:+oo)
(30/3)*x = 0
10*x = 0 // : 10
x = 0
x = 0
| .5(37+x+7)=6x | | 5-3x+1=-2y+3x+2 | | 1000=7n+90 | | 30=-7x-5 | | (x*.2)+x=2.25 | | h=-16t^2+24t+1400 | | 25=17+3n | | 82+7y=90 | | 9k+6=11 | | f(x)=x^2-6x-9 | | 25=17+3 | | -10s+7=-3-9s | | 2m+6m+10= | | 3k+3=-18 | | X+y+2=2(2x+1) | | -2+9=79 | | 2-3f=8-3f | | 3.43=0.12X | | 21x+7y=90 | | 26x.=100 | | 2f-10=10-2f | | 35=-6x-7 | | (x*.2)+x=1.95 | | 26xx=100 | | 7z=6z+4 | | 17+x-14=-9 | | 9s-6s+1=0 | | 9+5x-3x=10+13 | | 3(x+5)=x+2 | | 7z+4=8y-4 | | z^2+(-3-i)z-5i=0 | | 8n+16.2=16.2 |