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a+b-1;(1/4)*a-((3/4)*b)+0
x^2+y^2+z^2-2;x^2+y^2-1;x^2+y
A+B = 1;A
A
12*y-(9*x)+72 = 0;x
x
165.34375;1.2
| 8(3)+4y=120 | | x^3+17x^2+15x+25=0 | | 1.4x=16 | | 5/8=10/n | | 2-2(3-x)=12 | | -3/8(-6-2)=1/2(2-3) | | x-5.9=7 | | 3x^2+-240x+3600=0 | | 9/10=4/5x | | 2(3d-2)+3=2d-5 | | d^4-8d^2+6=0 | | 3x-23=43-x | | 2x-23=43-(x/3) | | 3x-23=43-(x/3) | | x^2-32=7 | | 2x-23=43-x/3 | | 8-8lnx=x^2 | | 91-19.8= | | (x^2-6)(2x+1)+4(x^2-3x-5)= | | 82=5w+17 | | x-1/6=3/19 | | 1615=(x+15)17 | | 5x^3-2x=0 | | 4x-6y+11=0 | | 5000+3x+3x=20000 | | 8(0.07m+29.70+0.10(29.70))=302.24 | | 2*(3*x-3.7)=5.2 | | 5(x+16)=895 | | 6/7:3 | | -48-16q=432 | | -54+-9d=45 | | 9K^4+11K^2+2=0 |