Question

Tìm x:

( 29x/7 - 1 ) - 3 = 1/7

Answer 1

=>29/7x-1=22/7

=>29/7x=29/7

hay x=1

Answer 2

\(\left(\dfrac{29x}{7}-1\right)-3=\dfrac{1}{7}\)

\(\dfrac{29x}{7}-1=\dfrac{1}{7}+3\)

\(\dfrac{29x}{7}-1=\dfrac{22}{7}\)

\(\dfrac{29x}{7}=\dfrac{22}{7}+1\)

\(\dfrac{29x}{7}=\dfrac{29}{7}\)

\(29.x:7=\dfrac{29}{7}\)

\(29.x=\dfrac{29}{7}\times7\)

\(29.x=29\)

\(x=29:29=1\)