Answer:
how does what work?
Step-by-step explanation:
Answer:
x= -4
Step-by-step explanation:
4x+7y = -2
4x+14 = -2
4x = -16
x = -4
A unit rate in math is the expression of a rate in a quantity of one.<span> For example, 60 miles per hour represents a commonly used unit rate. Similarly, 30 students per school bus also represents a unit rate.</span>