1. (5 points) If $0.142857^{+} x=1.5$, then $x=$
【Solution】Solution: The original equation can be transformed into: $\frac{1}{7}+x=1.5, x=1.5-\frac{1}{7}$, so, $x=1 \frac{5}{14}$. Therefore, the answer is: $1 \frac{5}{14}$.