2) Iggy is practicing for a marathon by running laps on the
track at school. Each lap covers 0.7 kilometers, and he
has already run 19.6 kilometers. How many laps does he
need to run if he wants to complete 91 kilometers?

The variable term:
Add or subtract:
The constant term added to/subtracted from the variable term:
The constant term by itself:
The final equation:
Variable: