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x in (-oo:+oo)
b/21 = s/42 // - s/42
b/21-(s/42) = 0
1/21*b-1/42*s = 0
x należy do R
x in (-oo:+oo)
| (V+3)(v-5)= | | -11-8m=-7(m+2) | | 6-8(3x+7)=-122 | | 4/5-15/28 | | 63-v=165 | | 8n-3m= | | 7.8+2.3-1.4= | | 2x^3+20x^2+64x+64=0 | | y^2-3y-36=0 | | -5.3+6.2+4.7+4.8= | | 2a+3b=4b-24 | | 125•(-3/7) | | 24x-40+10=6 | | 3a+3=240*0.5 | | 879*2=y*0.25 | | 10v-4v=24 | | -3/4y=-51 | | 7(1-5n)+3=290 | | 11=-6r-31 | | 3/4x=9/18 | | 2.25y+1.25x=540 | | 2/5x=148 | | 10=-7+25+2x | | -8/9c=-10/15 | | -7(2x+2)+42=28 | | (6x-4y)(6x-4y)= | | -1/2b=7/9 | | 5/3x-7=3 | | -3m+2m=-m+4 | | -11n=7/8 | | 9n-2=70 | | 8x-2=-26 |