Answer:
84km
Step-by-step explanation:
He has to travel 7 km in the morning to school and 7 km in the afternoon to home. 7km x 2 = 14km/day
He's making this trip 6 days a week: 6 days x 14km/day = 84km
7km x 2/day x 6 days = 84km
Answer:
x+6
Step-by-step explanation:
5x-3(x-2)-x
Distribute the -3
5x -3x +6 -x
Combine like terms
5x -3x -x +6
x+6