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i in (-oo:+oo)
2/2-i = 0
1-i = 0 // - 1
-i = -1 // * -1
i = 1
i = 1
| 5-9w-7= | | 3(x-3)-2(x+1)=5 | | x-2e^2*x=0 | | 3x=85 | | 2(-7+8b)+9= | | 3x=9x-(3x-18) | | -(7x+5)=-x-11 | | (3w-2)(4w-5)=0 | | 12w-10h= | | 5(a-5)-5(3a+1)=9 | | 75d-6=15 | | x-2e^2x=0 | | 5-8x+2x-6= | | (x^2+3x+9)(x-3)=0 | | 2m^2-4m-6=0 | | 4f(2)-6g(6)= | | 3+x+5x=2 | | 2x*e^2x-2*e^2*x=0 | | -3/4x12 | | 3-8(-9p-7)= | | 9y+4-3y= | | 6e^2x=1800 | | 8x+3=96 | | (4x+5)=(5-4x) | | -5x+3(x+8)=15 | | 40+2n=7n-9n | | x+3x+5x+4=22 | | -2(4-8s)= | | 4y-5=49 | | 2u+20=8u-8-2 | | (5x-7y)(5x+7y)=0 | | 20x-16=4x+2 |