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j in (-oo:+oo)
36/9 = j // - j
36/9-j = 0
4-j = 0 // - 4
-j = -4 // * -1
j = 4
j = 4
| 3x+6y=12+6y | | -x-15/10=-8 | | 46/9=j | | -5x-y=15 | | 7.5+x=7.5 | | -8g-(-5g)+16g-(-4)=17 | | 6n+5-8n=3 | | 3.5r=7 | | 3.08x+9.24=18.48 | | 42-33=f | | -11x=3x^2-4 | | 6=z/4 | | -19q+17q=18 | | 42-33= | | -2m-3m=20 | | B+16=21 | | 3x-4=6.5 | | 4.5+x=7.6 | | 54+u=298 | | (-2.89)+1.69= | | 9timesb=10 | | 90=-42x+6 | | -2u-(-19u)+(-13u)=-16 | | 2x-15/x | | 6x^2/9x^2 | | 3z+2=158 | | 1+b^2=4 | | -2y+1+3y=-2 | | b=2(13) | | (-2.89)+12= | | (-4h-13)(2)=37+13h | | -4[2(x+1)-(3x+8)]= |