Answer:
150+12x=630
Step-by-step explanation:
The x represents the amount of months and it is multiplied by 12 because each month costs 12$. 150 have to be paid up front and this added to the monthly fee is equal to 630$
2x = 70
4x - 2x = 70
x = 70/2
x = 35
C) v≤-5
Divide each side by 4,
Exponet of 2
because i know trust me its right
