1, \(14:x+6=8\)
\(14:x=8-6=2\)
\(x=14:2=6\)
2, \(x:\frac{1}{4}\cdot5=50\)
\(x:\frac{1}{4}=50:5=10\)
\(x=10\cdot\frac{1}{4}=2,5\)
3, \(x:\frac{7}{3}+4=16\)
\(x:\frac{7}{3}=16-4=12\)
\(x=12\cdot\frac{7}{3}=28\)
4, \(24-x\cdot\frac{1}{3}=14\)
\(x\cdot\frac{1}{3}=24-14=10\)
\(x=10:\frac{1}{3}=0,3\)
TK MK NHA. CÂU CUỐI MK KO LÀM ĐÂU. ^_^
3, \(x:\frac{7}{3}+4=16\)
\(x:\frac{7}{3}=16-4=12\)
\(x=12\cdot\frac{7}{3}=28\)
4, \(24-x\cdot\frac{1}{3}=14\)
\(x\cdot\frac{1}{3}=24-14=10\)
\(x=10:\frac{1}{3}=0,3\)
TK MK NHA. CÂU CUỐI MK KO LÀM ĐÂU. ^_^
\(a;\)\(14\div x+6=8\)
\(14\div x=8-6=2\)
\(x=14\div2=7\)
\(b;\)\(x\div\frac{1}{4}\times5=50\)
\(x=50\div5\times\frac{1}{4}=2,5\)
\(c;\)\(x\div\frac{7}{3}+4=16\)
\(x=\left(16-4\right)\times\frac{7}{3}=28\)
\(d;\)\(24-x\times\frac{1}{3}=14\)
\(x=\left(24-14\right)\div\frac{1}{3}=30\)
\(e;\)\(97\times x+x+x+x=300\)
\(97\times x+3\times x=300\)
\(\left(97+3\right)\times x=300\)
\(x=300\div100=3\)
