a, b and e
a.
x + 5 = 8 ( subtract 5 from both sides )
x = 3
b
4x = 12 ( divide both sides by 4 )
x = 3
c
= 3 ( multiply both sides by 9 )
x = 27
d
x - 5 = 10 ( add 5 to both sides )
x = 15
e
= 3
note that
= x, hence
x = 3
Answer:
53.52°
Step-by-step explanation:
cos x° = 22/37 = 0.59456
x = 53.52°
Answer:
x = 2y + 1 + (z/2)
Step-by-step explanation:
Just manipulate the equation to isolate x.