Answer:
4x-7=x+2
3x=9
x=3
3-50=-47
Step-by-step explanation:
Answer: y = 20x+75
Step-by-step explanation:
Hi, to answer this question we have to write an equation:
The cost (y) must be equal to the product of the cost per hour of installation (20) and the number of hours that it takes (x); plus the fixed cost of parts and installation (75).
Mathematically speaking:
y = 20x+75
Feel free to ask for more if needed or if you did not understand something
A, perhaps,plz check the definition of functions
Answer:
3(x-6)
Step-by-step explanation:
