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1*(-3/7)
-3/7*1
-3/7
| -1/7(-3/1) | | (X+3)(x-2)=x(x-7) | | 6(-0/9) | | -0/9(6) | | 12.8-7w=1.6 | | 3v+36=20v+36 | | Log(5x+2)=4 | | x=cos^4(0) | | 7x+16=4-x | | 8y-20=5y+1 | | -1/7(-3) | | 2x-7=2y | | -1/7(-10) | | 7x+8y+9z=1300000000 | | 5sinx-cosx=0 | | 7x+8x+9x=1300000000 | | 1-2/-3-10 | | 7v^2+32v-15=0 | | 2/3(2x | | -5/3(1/2) | | -49v^2-140v-84=0 | | -5/3x1/2 | | 2x^2+5x-64=0 | | -5x^2-38x-48=0 | | 8+5-7*9= | | 1/2x41/2x31/2 | | (9b+7)(2b+8)= | | -8a^2-7a+1=0 | | 8n^2-69n+40=0 | | f(x)=x^4-100x^2 | | -k^2+4k+21=0 | | 7a=5a+12 |