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-10*(2/3)-(-4*2) = 12
30-(3*x) = (1/3)*x
X/21 = 6
15/29 = x/50
1/x-1 = 2/(x^2)
| 5x^2-19x+35=0 | | 8(6+7r)=34 | | 2/3(-10)-2(-4)=12 | | 3(v-11)-7= | | (-7i)(i)(5+3i)= | | u^2+5=25 | | -6(3c+4)=18 | | 3.5+10=-30 | | -3x-x=2 | | 8y+y=-9 | | 4+7n=5 | | Y-13=-3x-12 | | -9(2n-7)-12n= | | -3(-2x-6)=9x | | -x^2+6x-6=3x+1 | | -11=8+z | | 5xy+20x+9y+36=0 | | 30-3x=1/3x | | X/21=6 | | 1.6+4c=14 | | 6+8(1-9s)=-15 | | 2cosx=4 | | 4x-4+6x=116 | | 10=2(3c+5) | | 7x+84+xy+12y=0 | | 22=6w+7 | | 9y+3x+9=17+3x | | 8(x+16)=9 | | 3n-6=7 | | 3r-7(11-11r)= | | 5(-6x-2)+4x=3 | | -4z-6+8z=34 |