=ln(218*-0.02+3.1)*0.9/0.9
2(3x+4)+5<4(x+1)-(x-2)
0.625/5
y'+ky^2=a
in a city 26% families use phone 15% families use car 65% family use neither car nor phone and 2000 families have both find perce...
4(X-2) +10=3(X+5) +20
Solve the following system of linear equation by Gaussian Elimination Method. x^1 + 2x^2 – x^3 = 1, 3x^1 – 2x^2 + 2x^3 = 2, 7x^1 –...
7 + (-6)=
3*3-3/3+3
