*pls help*
solve 7,8,9, and 10 for brainliest

Answer:
#8 : x=15−y
#9: [tex]\frac{c}{b} -\frac{ax}{b}[/tex]
#10: y=2A−x
#7: T=[tex]\frac{P}{IR}[/tex]
Step-by-step explanation: