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| -3(x+5)=-7x+21 | | p=-0.01x^2-0.2x+8 | | 6x-7=kforX | | 2=46/w | | 11.5=.5(9.8)t | | 2.5=.5(9.8)t | | x+40=2x-15 | | x+143=x+43 | | 21=4*2 | | 500=2(x+40)+2x | | -5(2/5)^2 | | 5x-3y=-35 | | f(x)=-xsquared+14x-11 | | -5+2w=-3w-7 | | 3x+6X=80 | | 5s(6s-5)=0 | | 7=.5(9.8)t | | 4c-2=10-2c | | sqrt(15+2x)=-x | | 2=.5(9.8)t | | 20-2P=-4+4P | | 17x+36=14x+72 | | 5f-3+6f=10f+4 | | 3(x-2)=(x+5)-2 | | 16=2y+4x | | x+y+z=100x+10y+20z=100 | | 0.65=x(x+25) | | 13x+6=14-2 | | 42/7w=18 | | (Ln)y=3x+2 | | 2a-2+4=-2+1a+1a | | 3(y-3)=7y-21 |