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(a+2)(a^2-2a+4)-(a-2)(a^2+2a+4)=0
| (7x-5)+(5x+19)=(4x+10) | | x-3.5=0.6 | | 2(1x-8)=-102/7 | | (7x-5)-(5x+19)=(4x+10) | | x+3x+10=90x= | | 3/2-x=-93/26 | | 5-1=85(7)-f | | (6x+5)=90-(4x+5) | | 67-9(d)=4 | | (6x+9)=180-(9x+6) | | 9=6(e)-21 | | (9x+6)=180-(6x+9) | | 6x+8=83-(7x-3) | | (7x-3)=83-(6x+8) | | 6x+8=83 | | (7x-3)=83 | | t5+5=30 | | -7+p=-8p+11 | | (7x-3)+(6x+8)=83 | | 11t+8)(3t-9)=0 | | 9/y+28=8/y | | 6y+8=6y | | 6y=8+6y | | 167x-19x-16=1132 | | 167x-19x-16=1032 | | 22-2x=4(x-2)=34 | | 5x+10=3*5 | | 2=5(e)-21 | | 5(x+4)=14 | | -2(d+-8)+-5=3 | | -6/z=-3 | | 3(s-14)-1=11 |