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| -421=n+78 | | 74-X=8x6 | | y-(-452)=135 | | x6+8-12=32 | | ?x6+8-12=32 | | x-(-146)=257 | | b-473=159 | | a-137=-271 | | y+(279)=1402 | | x+(-42)=311 | | b+47=-123 | | a+76=25 | | x/9-15=6 | | z-(+18)=-95 | | 7x^2+23x-12=0 | | y-39=-27 | | a+19=53 | | n-36=-42 | | 0.02*x=12 | | -9x-9=4x=39 | | 2x-8=10x-20 | | 2x-8=10x+20 | | X-0.7x=20 | | 3x=5x-1=23 | | 2x-88=126 | | x+1/2x+1/7x+2/3x=33 | | -3x^+8x-7=0 | | y=-0.89+241.7 | | 2x/(x^2+x)=2 | | 2^x*2^x+1=8 | | x6-9=4x | | F(x)=2/3x+6 |