Answer:
a = -8
Step-by-step explanation:
4/a + 4 = -1/a + 9
-1(a + 4) = 4(a + 9)
-1a - 4 = 4a + 36
-5a - 4 = 36
-5a = 40
a = -8
Answer:
1/7
Step-by-step explanation:
Answer:
4.
or -5 (It's a negative slope)
5. 0 (It's a horizontal line)
6. 
Formula: 
Answer:
8/21
Step-by-step explanation:
(√3n)-23=16
Put all of the numbers without a variable on the right side of the equation
(√3n)=39
Simplify
<span>1.732051n</span>=<span>39
</span>
Divide 39 by 1.732051
n=<span>22.516658
Round
n=22.5</span>