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7;12;1;6;0;0
(x*z-4)^2+x^2+z^2
4;5;3;5;4;3
-8.4/1.5
(2*(4/5))/3
| -6x+-2+8=-64 | | x+5x+4x-18=180 | | 56x-16x-40=0 | | 6=6X+20Y | | 295=y*.7 | | 4/5x=i | | 19x-23=129 | | 12d=5(51+d) | | 0.8=6 | | -34+6x=-124 | | 3*2=2y+8 | | 20+3x+2x+90=180 | | 10×1/3 | | 66+21x=43x | | (x-xy)dy+(y+xy)dx=0 | | 2(3x-5)+4(x+2)=3(2x-1)-(4x+5) | | -(-8)-5(10-4)= | | 6x+14=2x-12 | | 12x=124 | | 2(3-2x)=4x-11 | | 17x-5=131 | | 2(v+5)=4-(-2v-6) | | 2.4×3/5 | | 5x-6(-2x+17)=-17 | | (-xy^3)(4x^2y)= | | 3ax+2bx-3ay-2by= | | 6s+3=-17 | | 4(x-17)=6x-11 | | 3/a-5/a | | 6x^2-18-14=10 | | 2(-15+3y)+3y=6 | | X+4=-2x+4 |