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| 5r+6=2r–15 | | 3(2q–5)=36 | | (1+x*0.49)/(1+x*0.75)=(52.094/261.07) | | 1,6=2-8x | | x+x+615=2359 | | x^4-3x^2=18 | | X^3-3x^2+2x-6= | | x+x+568.60=796.40 | | 2+5/x^2=6/x | | 0,2x+1=0,2 | | (4/9)/672 | | (125x^6)(3x^2y^3)= | | 77-6x=8x+1 | | 5x-7=-47 | | x+(x+2)+(x-0.95)=7.80 | | x^1/2-2x^1/4=8 | | 8-5x=48 | | 30g/20 | | (3/16)/((4/9)/672) | | x+3x+(x+0.1)=0.55 | | (3/4)/((4/9)/672) | | X+(-3.6)=(-3.3) | | 2.8n=43.2 | | 3i+9u=8 | | 2x+23=11x-87 | | 2.8+n=n+43.2 | | 10-4x+11=3x+2x+3 | | 6-n=4*n+1.5 | | 3x^2+9ax=21a | | 4x^2+16x-8=0 | | 4*n=37.8+n | | 3.03x+4.1=2.99x+1.7 |