Chapter 5.2B, Problem 20A

Find all integers $x$ if any that make the statements in parts (a)-(k) true.

a. $x^2=9$

b. $x^2{=}^{-}9$

c. ${}^{-}x{÷}^{-}x=1$

d. ${}^{-}{x}^2\text{is}\text{negative}$

e. ${}^{-}\left(1-x\right)=x-1$

f. $x-3x{=}^{-}2x$

g. ${}^{-}3\left(x+2\right){=}^{-}3x+6$

h. ${\left(2x-1\right)}^2={\left(1-2x\right)}^2$

i. $x^3{=}^{-}{2}^9$

j. ${}^{-}6x{>}^{-}x+20$

k. ${}^{-}5\left(x-3\right){>}^{-}5$

l. If $x{>}^{-}2$, find the values of $3-5x$.

m. If $x<0$, find the values of $2-7x$.