Giải phương trình
a. \(\left| 5x-4 \right|=\left| x-2 \right|\) b. \(\left| 2+3x \right|=\left| 4x-3 \right|\)
c. \(\left| 2x-3 \right|-\left| 3x+2 \right|=0\) d. \(\left| 7x+1 \right|-\left| 5x+6 \right|=0\)
A.a) \(x=\frac{1}{2};x=1\) b) \(x=-5;x=\frac{1}{5}\)
c) \(x=5;x=\frac{1}{7}\) d) \(x=\frac{5}{2};x=-\frac{7}{12}.\)
B.a) \(x=\frac{1}{2};x=2\) b) \(x=-5;x=\frac{1}{5}\)
c) \(x=5;x=\frac{1}{4}\) d) \(x=\frac{5}{2};x=-\frac{7}{12}.\)
C.a) \(x=\frac{1}{2};x=1\) b) \(x=-5;x=\frac{2}{5}\)
c) \(x=5;x=\frac{1}{7}\) d) \(x=\frac{1}{2};x=-\frac{7}{12}.\)
D.a) \(x=\frac{1}{2};x=1\) b) \(x=-5;x=\frac{1}{8}\)
c) \(x=5;x=\frac{1}{4}\) d) \(x=\frac{5}{2};x=-\frac{7}{12}.\)
a. \(\left| 5x-4 \right|=\left| x-2 \right|\) b. \(\left| 2+3x \right|=\left| 4x-3 \right|\)
c. \(\left| 2x-3 \right|-\left| 3x+2 \right|=0\) d. \(\left| 7x+1 \right|-\left| 5x+6 \right|=0\)
A.a) \(x=\frac{1}{2};x=1\) b) \(x=-5;x=\frac{1}{5}\)
c) \(x=5;x=\frac{1}{7}\) d) \(x=\frac{5}{2};x=-\frac{7}{12}.\)
B.a) \(x=\frac{1}{2};x=2\) b) \(x=-5;x=\frac{1}{5}\)
c) \(x=5;x=\frac{1}{4}\) d) \(x=\frac{5}{2};x=-\frac{7}{12}.\)
C.a) \(x=\frac{1}{2};x=1\) b) \(x=-5;x=\frac{2}{5}\)
c) \(x=5;x=\frac{1}{7}\) d) \(x=\frac{1}{2};x=-\frac{7}{12}.\)
D.a) \(x=\frac{1}{2};x=1\) b) \(x=-5;x=\frac{1}{8}\)
c) \(x=5;x=\frac{1}{4}\) d) \(x=\frac{5}{2};x=-\frac{7}{12}.\)
Loga
Hóa Học lớp 12
