Answer:
1/4
Step-by-step explanation:
Substitute x=-1 to find y
Given y= 2^2x
y(-1)=2^-2=1/(2^2)
Answer:
-2x^2
Step-by-step explanation:
Simplify
x^-1 - 2x^2 - x^-1
becomes
-2x^2
Answer:
x=8,RS=12*8-32=64,PR=6*8+16=64
Step-by-step explanation:
PR=PS
6x+16=12x-32
6x=48
x=8
Answer:
x=2
Step-by-step explanation:
Distribute the 9
9x+9=25+x
Move x to one side. I prefer to keep the x term positive, so I would move the term on the right to the left in this situation.
8x+9=25
Isolate the x term
8x=16
Isolate the variable
x=2
