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20
21 = (14/15)*x
-4*(3/5) = -6*(2/5)
122/5 = 5*x
49-((3/3)*x) = 32-((1/6)*x)
| 1=5+x*4 | | -7x-52=-3x+20 | | 50+2f=120 | | x^4=x^2-20 | | -4(v-2)=-4(v-8)-8y | | 14d+6=8d+60 | | -2(y+1)-6= | | 5+5n+6n=5 | | 23=2*x-3*x-3+7 | | 25x+30=65x+30 | | 4(3x+2)=8-12x | | 7x+9=87 | | x=180-119 | | N*4+7=12 | | -g+6+2g=-4g+4 | | f(1)=6n-4 | | 100=20+10h | | 9(a+4)=78.3 | | 14=9+n*3 | | 12+n=32-3n | | 3(y-4)-7y= | | x=180-118 | | -52-3x=-10x+32 | | 28x^6+20x^4+8x^3=0 | | 3-x^2=30 | | 0=5c-1 | | 15N+5=110 | | 14x-3=9x+2 | | 2x-1=1.5x+5 | | 9-6x=14-3x-11 | | 3-y=-17 | | 6e-5=43.6 |