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1*x-(1*y)-4;2*x+1*y-8
0*x+0*y;0*x+0*y
5*x+5 = 7*x+6;x
x
236.5;152.63
87;9.25
| (3d-2)= | | 182=9x+0 | | 7x-2+3x-7=9x+1 | | -4x+22=x | | 3x-3=23 | | Y+4+y+4+y+4+y+4=81 | | 3(2x-4)=2(1-x) | | (3x+40)+(x+20)=180 | | -4[5(2x+3y)-4(x+2y)]= | | (-6y)-4=16 | | 90/0.09*10 | | 9(2a+4b-7c)-4(b+c)-7(-c-4b)= | | 8y^2-12=0 | | 3(p-2p)-4(2p-3q-5)= | | 5(y-2)=4(2y+5) | | 6x+5=3x+15 | | 9(2a+5)= | | 16c-4pt= | | H=90+15t-5t^2 | | 17-4a=3a-4 | | 6x-9=x+3 | | 9x+40xyz+5+100xyz-5x+15+2x-50xyz= | | 100-k=k-342 | | K-45=395-k | | 37-(5-3x)=0 | | 5x/48=2 | | 2r+3b=18 | | 12+y=-y-36 | | 4r(r+4)=33 | | s*4+26=90 | | 55-5y=13-3y | | 27-8x=13-5x |