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7x^2(x^2-18.5)=0
| 10p^2+7p-13=0 | | 4K+8-6k=0 | | 7x^2(x^2-18.5)=x | | -3x-(-8)=17 | | -1k-7+5k=17 | | -6-a/4=-16 | | -16x^2+6400=0 | | x—171=-822 | | 0.15x+20=0.10x+35 | | -11n+16=-61 | | 11k+6+6k=176 | | 80-2x+5-80-x=x+(x/2-13) | | 270=(x)(x+3) | | (x/20)+(x/35)=1/1 | | -210+x=-639 | | (x/20)+(x/35)=1 | | 2k+8+8k=58 | | 3(x+6)+6x=9x+-18 | | (x/20)+9x/35)=1 | | x+17=-30 | | 270=x(x=3) | | -55=-8k-7 | | 4n/12=1 | | m/5-6=-13 | | -1/8n=1/2 | | x+-196=291 | | 1-1k=-14 | | Y=4x+-15 | | 1/2=-1/8n | | -905-x=-1153 | | v-8=0 | | 4/9x+1/5=4/5 |