Answer:
x = 1/4
Step-by-step explanation:
-7x - (-5-x) = -9(2x-1) -1
-7x + 5 + x = -18x + 9 - 1
combine like terms:
-6x + 5 = -18x + 8
add 18x to each side of the equation:
12x + 5 = 8
subtract 5 from each side:
12x = 3
divide both sides by 12:
x = 3/12 = 1/4
Answer:

Step-by-step explanation:
using the rule of exponents
= 
note that 6 =
, then
=
= 
Answer:
14 for x and 42 for y
Step-by-step explanation:
Answer:
186.66
Step-by-step explanation: