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x^2-4
1.8;2
18*tan((pi*x)/36)
45;25
1105;65
| 9x-11=7x+11 | | 12a-3=3a+15 | | 5x-3y+8=3(x-8) | | 4(5+x)=5(3x-1)-63 | | y=.34x+41 | | -3(x+2)+4=5(x+3)+9 | | 12a-1=a+5 | | 4x-(-x+3)+3=5-2(3-4x) | | 4x[33-3x(5+2)]= | | 4x+3(3-2x)=3(-2+2x)-3x-7 | | 2x+4.7=7.5 | | r^2=-40+13r | | 3x-17=-32 | | (2/5)(1/5) | | 2b+4=-17.2 | | 8=4(7x+3) | | x-47-4x=5-7x-19+3x | | 2x-12x^2+32=0 | | 3r^2-122r+500=0 | | 0.5x+2=10 | | x*x+3x+4=5 | | P(x)=2x^4-3x^3-14 | | 58.3=10-8m | | x=1.333333333+-1.666666667y | | 117+45=180 | | 3(s)-5=27 | | .75n=-5.25 | | 19.19+n=26.19 | | -3(-3z+7)= | | -10-5x=8 | | 5.25n=-36.75 | | x-31-4x=5-7x-38+3x |