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2;9;2;9;3;1
4;9;1;6;-7;2
4;24
x = (2.5*x)/a
2*((1*6)/2)*(-1)^2 = 0
| 2b+9=10-b | | 9/5(-85:364)-5/7 | | x=2.5x/a | | 6*1/2(-1^2*2) | | 1+5=80-2x | | 7.7j=15.72 | | (4)/(3x)-(5)/(4)=(4)/(9x) | | -18n+32=50 | | 36x^2+84x=-49 | | 15-7x=27 | | -6-n/4=16 | | 1/2(2x-4)=10 | | 3m-9=-3 | | -5p+20=-5+-5p+6 | | f(x)=-4x+25 | | 8-5n=-27 | | 3478j+628837=8 | | 3y-2(-7y+3)+12-9y= | | 2/5x-1/5=-4x-7/3 | | x-18=-6x+3 | | 4x^2-80x+111=0 | | 0.065x+0.02(30000-x)=1140 | | log(3x-1)=log(4-x) | | 2.40x+0.80y=144 | | 3x+6x-(9x-3)+4x= | | .5y+4=-19 | | 7k-3=31 | | -5x^2-3x-2=0 | | 4/3x-4x-2/3-1/3x | | X+20=-60 | | C=0.25+10x | | 10=4x+-8-2x |