Các câu hỏi tương tự
tim x biet a) |3x-2|+5x=4x-10
b)3+ |2x+5|>13
tim x, biet:
a, |2x-1|= |2x+3|
b, |5x-3|-x=7
BAI 1 : Tim x;y;z biet 6x 3/5 4y 6x/7 3z 4y Va 2x 3y 5z 21
Tim x , biet : \(A,[3x - 4] = x ; B, [5x -3] = 2x + 1\)
tim x , y biet :
2x+1/5=3y-1/7=2x+3y-1/6x
Tim x biet:
\(\frac{2x+2}{5x-3}=\frac{2x+12}{5x+18}\)
tim da thuc f(x) roi tim nghiem cua f(x) biet rang:x^3+2x^2(4y-1)-4xy^2-9y^3-f(x)=-5x^3+8x^2y-4xy^2-9y^3
tim x biet
2./5x-3/-2x=7
tim x biet
a;\(\frac{3x+2}{5x+7}=\frac{3x-1}{5x+1}\)
b; \(\frac{x+1}{2x+1}=\frac{0,5x+2}{x+3}\)