Answer:
A
Step-by-step explanation:
Because 45 + 2x = 180 divide it by 2 gives 4
Answer:
b
Step-by-step explanation:
Answer:
x = 9
Step-by-step explanation:
Well, let's solve it!
x - 9 = 0
Let's add 9 to both sides to isolate the variable and maintain equality.
We end up with :
x = 9 since -9 and 9 cancel out and 0 + 9 = 9.
Answer:
12
Step-by-step explanation:
$42.00/($3.50 per gallon) = 12 gallons