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x in (-oo:+oo)
(M/4)*c = e // - e
(M/4)*c-e = 0
1/4*M*c-e = 0
x naleu017Cy do R
x in (-oo:+oo)
| 4m+11=71 | | 21n^2-66n-72=0 | | y=4x+8x | | 4(x-10)+10=-10 | | 1/2m-2 | | 11=5(a+3)-6 | | 16x^2-32x+60=0 | | 9[1-(-6x-3)]=486x+252 | | 6b^2+23b+7=0 | | 13=-3+15x-2x+2x | | -5(r+2)=-84 | | 393-(251+83)= | | d=5/(5+12)*2.5 | | 76=-4(4-x)-5(-1-5x) | | 1y+58(5y-9)=47y(75y+1) | | B=45.60+0.10t | | x^2/(x+140)=70 | | d=5/(5+12)X2.5 | | 12x+5+11x+15=180 | | -8(-2-x)-4(x-2)=8 | | n+4.5-5n+2.5= | | 7.4x-6=1.4 | | -3(2s-5)-15=-3(4s+2)-3 | | 70v^2-32v-6=0 | | -2(2x-5)=-38 | | X^4+7x^2+10=0 | | (z/Y)=(a/b) | | T=M(5+FG)forF | | -30(3)(-4)(-3)= | | 3/2x-5/4y=15 | | -13=5+20n-2n | | 10x-21x=22 |