Question

tìm x . biết : a) x - 0,5 =1/3+1/4

Answer 1

\(x-0,5=\frac{1}{3}+\frac{1}{4}\)

\(x-\frac{1}{2}=\frac{7}{12}\)

\(x=\frac{7}{12}+\frac{1}{2}\)

\(x=\frac{13}{12}\)

Answer 2

a, \(x-\frac{1}{2}=\frac{7}{12}\)

\(x=\frac{7}{12}+\frac{1}{2}\) ( tự quy đồng )

\(x=\frac{13}{12}\)