This is the associative property, since any numbers can <em>associate </em>with each other, via the parentheses.
Answer:
$950
Step-by-step explanation:
x+70=1020 so subtract 70 from both sides
x=950 cost of dryer
1020-950=70 washer is 70 more than dryer
Answer:−10x-12
explanation is:-----------------
Answer:
60 miles
Step-by-step explanation:
Let
x ----> the number of miles
we know that
The number of miles multiplied by $0.60 per mile plus $2 plus the charge of $5.50 for tolls (because you are travelling from the airport) must be equal to $43.50
so
The linear equation that represent this problem is

Solve for x
Combine like terms left side

subtract 7.50 both sides


divide by 0.60 both sides
