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a in (-oo:+oo)
-14*(4/7)*a = 0
-8*a = 0 // : -8
a = 0
a = 0
| 20*1300= | | (-6z^5)(-2z^4)= | | X=zb-zt^3 | | 9k^2+18k+8=0 | | 32y+50= | | (4z-3)(5z-2)=0 | | 1/2*13*x=1/2*12*5 | | 32y+10= | | 16+X=20 | | 18/b=18 | | 5x^3-10y^3= | | 1/2x2/3-5/6 | | k+5=28 | | (5z-3x-3)-(3z-x-2)= | | f+15=25 | | xlogc=logu | | Bao/ | | 3y=2(y+6) | | 225/r=15 | | 9x+18-8x=-2-13 | | |2x-|7|/3|7 | | z.16=112 | | logx=.06 | | (.8+.2x)x=1.3x | | .8+.2x=1.3x | | (1+.2x)=1.3x | | R=3c-d/c | | 7a+3b-3a-6b= | | 2/5(-15n) | | -4x+6=1 | | $142000000/$1.17 | | $1.17/$142000000 |