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x+2*y-z+3;2*z-2*y-2;2*z-x-(2*y)-5
s/x
2*x^2-x^3+x^1+3;2*x^3-2*x^2-2;2*x^3-(2*x^2)+(-x)^1-5
-16*(1/4)
sin(4*x-2)
| -2(2x+3)=18 | | -16=4(-v-6)-3(4-8v) | | 6x-3=k(-2x+1) | | 24=-4(1-7n)+7(n+4) | | -4(5x-7)=168 | | 8k+54=-14 | | -328=-8(-7x-7)+8 | | 10x^2+120x-36=0 | | 16x=2x+84 | | (4-8x)2+(x)2=400 | | 81=-5(1-8a)+3a | | 12x+6=100 | | -7(5k-6)=-168 | | 8m-14=59 | | 130=4c+225 | | -5(-7v+8)=-215 | | sin(x)(sin(x)+1)=0 | | -138=6(1+4b) | | 390=6(8n+1) | | 4(h+3)-3(h-5)=16 | | -90=-5(8+2n) | | y-8=-5/7x | | 5.5-5x= | | 14x=5x+990 | | (2n-14)(n-5)=90 | | -20+n=-18 | | 5x+11=-48 | | (2x-4)(x+1)=(x-3)(x-2) | | 1/2(x)(4x)=50 | | 1/4*-16 | | -7/6=v/12 | | 0.2x-0.5(2x-1)=-0.3(x+4) |