Bài 3: Phương trình đưa được về dạng ax + b = 0
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Các câu hỏi tương tự
Giải Phương trình
1)\(\dfrac{99-x}{101}+\dfrac{97-x}{103}+\dfrac{95-x}{105}+\dfrac{93-x}{107}=4\)
2)\(\dfrac{x+14}{86}+\dfrac{x+15}{85}+\dfrac{x+16}{84}+\dfrac{x+17}{83}+\dfrac{x+116}{4}=0\)
3)\(x+\dfrac{2x+\dfrac{x-1}{5}}{3}=1-\dfrac{3x-\dfrac{1-2x}{3}}{5}\)
Bai tap: Giai phuong trinh
a,dfrac{x+1}{65}+dfrac{x+3}{63}+dfrac{x+5}{61}+dfrac{x+7}{59}0
b,dfrac{351-x}{101}+dfrac{313-x}{103}+dfrac{311-x}{105}+dfrac{309-x}{107}+40
c,dfrac{x+1}{99}+dfrac{x+3}{97}+dfrac{x+5}{95}dfrac{x+7}{93}+dfrac{x+9}{91}+dfrac{x+11}{89}
d,dfrac{x+2}{327}+dfrac{x+3}{326}+dfrac{x+4}{325}+dfrac{x+5}{324}+dfrac{x+349}{5}0
Đọc tiếp
Bai tap: Giai phuong trinh
a,\(\dfrac{x+1}{65}\)+\(\dfrac{x+3}{63}\)+\(\dfrac{x+5}{61}\)+\(\dfrac{x+7}{59}\)=0
b,\(\dfrac{351-x}{101}\)+\(\dfrac{313-x}{103}\)+\(\dfrac{311-x}{105}\)+\(\dfrac{309-x}{107}\)+4=0
c,\(\dfrac{x+1}{99}\)+\(\dfrac{x+3}{97}\)+\(\dfrac{x+5}{95}\)=\(\dfrac{x+7}{93}\)+\(\dfrac{x+9}{91}\)+\(\dfrac{x+11}{89}\)
d,\(\dfrac{x+2}{327}\)+\(\dfrac{x+3}{326}\)+\(\dfrac{x+4}{325}\)+\(\dfrac{x+5}{324}\)+\(\dfrac{x+349}{5}\)=0
giải các phương trình sau:
1) \(\dfrac{x-11}{111}+\dfrac{x-12}{112}=\dfrac{x-23}{123}+\dfrac{x-24}{124}\)
2) \(\dfrac{x-5}{1990}+\dfrac{x-15}{1980}=\dfrac{x-1980}{15}+\dfrac{x-1990}{5}\)
3) \(\dfrac{109-x}{91}+\dfrac{107-x}{93}+\dfrac{105-x}{95}+\dfrac{103-x}{97}=-4\)
giải phương trình sau
a) \(\dfrac{x+1}{100}+\dfrac{x+2}{99}+\dfrac{x+4}{97}=-4\)
b) \(\dfrac{x-12}{77}+\dfrac{x-11}{78}=\dfrac{x-74}{15}+\dfrac{x-73}{16}\)
giải phương trình sau
\(\dfrac{74-x}{26}+\dfrac{75-x}{25}+\dfrac{76-x}{24}+\dfrac{77-x}{23}+\dfrac{78-x}{22}=0\)
giải phương trình sau
\(\dfrac{x-50}{50}+\dfrac{x-51}{49}+\dfrac{x-52}{48}+\dfrac{x-53}{47}+\dfrac{x-200}{25}=0\)
bài 4 giải các phương trình saub,dfrac{x+2}{3}-dfrac{3}{4}dfrac{x-1}{3}d,dfrac{x-2}{4}+dfrac{x+1}{6}dfrac{2x}{3}f,dfrac{x+2}{4}+dfrac{2x-3}{3}dfrac{x-12}{6}h,dfrac{10x+3}{12}1+dfrac{6+8x}{9}j,dfrac{2x-1}{5}-dfrac{x-2}{3}dfrac{x+7}{15}m,dfrac{2+x}{5}-0,5xdfrac{1-2x}{4}+0,25
Đọc tiếp
bài 4 giải các phương trình sau
b,\(\dfrac{x+2}{3}-\dfrac{3}{4}=\dfrac{x-1}{3}\)
d,\(\dfrac{x-2}{4}+\dfrac{x+1}{6}=\dfrac{2x}{3}\)
f,\(\dfrac{x+2}{4}+\dfrac{2x-3}{3}=\dfrac{x-12}{6}\)
h,\(\dfrac{10x+3}{12}=1+\dfrac{6+8x}{9}\)
j,\(\dfrac{2x-1}{5}-\dfrac{x-2}{3}=\dfrac{x+7}{15}\)
m,\(\dfrac{2+x}{5}-0,5x=\dfrac{1-2x}{4}+0,25\)
1) dfrac{5x-2}{3} dfrac{5-3x}{2}2) dfrac{x+4}{5} - x + 4 dfrac{x}{3} - dfrac{x-2}{2}3) dfrac{10x+3}{12} 1 + dfrac{6+8x}{9}4) dfrac{x+1}{3}- dfrac{x-2}{6} dfrac{2x-1}{2}
Đọc tiếp
1) \(\dfrac{5x-2}{3}\)= \(\dfrac{5-3x}{2}\)
2) \(\dfrac{x+4}{5}\) - x + 4 = \(\dfrac{x}{3}\) - \(\dfrac{x-2}{2}\)
3) \(\dfrac{10x+3}{12}\)= 1 + \(\dfrac{6+8x}{9}\)
4) \(\dfrac{x+1}{3}\)- \(\dfrac{x-2}{6}\) = \(\dfrac{2x-1}{2}\)
25 tháng 1 2022 lúc 20:31
4,dfrac{x+1}{3}+dfrac{3left(2x+1right)}{4}dfrac{2x+3left(x+1right)}{6}+dfrac{7+12x}{12}5,dfrac{2x}{3}+dfrac{2x-1}{6}4-dfrac{x}{3}6,dfrac{x-1}{2}+dfrac{x-1}{4}1-dfrac{2left(x-1right)}{3}
Đọc tiếp
4,\(\dfrac{x+1}{3}\)+\(\dfrac{3\left(2x+1\right)}{4}\)=\(\dfrac{2x+3\left(x+1\right)}{6}\)+\(\dfrac{7+12x}{12}\)
5,\(\dfrac{2x}{3}\)+\(\dfrac{2x-1}{6}\)=4-\(\dfrac{x}{3}\)
6,\(\dfrac{x-1}{2}\)+\(\dfrac{x-1}{4}\)=1-\(\dfrac{2\left(x-1\right)}{3}\)