Solve the system of equations by substitution.
y = 3x - 7
2x + 5y = 16
The solution is

What is always true when two whole numbers are subtracted?

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

35 ! insert < , > , or = to make the sentence true. 12 __ 25 > =