Answer:
The number is 1.
Step-by-step explanation:
If you simplify the equation, it goes to 4x+5=3x+6. Subtract 5 from both sides and you get 4x= 3x+1. The only number that satisfies that equation is 1.
Answer:
42 feet
Step-by-step explanation:
42 because x is equal to its corresponding side
810+189-715= 284. the answer is 284