Answer:
the first one
Step-by-step explanation:
Answer:
x=−18
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
12+2x=x−6
12+2x=x+−6
2x+12=x−6
Step 2: Subtract x from both sides.
2x+12−x=x−6−x
x+12=−6
Step 3: Subtract 12 from both sides.
x+12−12=−6−12
x=−18
You do 5.5x4=22, so you can drive 22 miles for every gallon of gas.
Yes it is always a negative because that is the only way it would be an additive is if it was a negative number