d) 3,7 - x = 4

<=> -x = -3,7 +4

<=>-x = 0,3

<=> x = -0,3

c) 4,2 = x + 2,1

<=> -x = -4,2 + 2,1

<=> -x = -2,1

<=> x = 2,1

b) 19,3 =12 -x

<=> x = 12 -19,3

<=> x = -7,3

a) x - 2,25 =0,75

<=> x = 0,75 + 2,25

<=> x = 3

c) x\(\sqrt{2}\) =4\(\sqrt{3}\)

<=> x = \(\dfrac{4\sqrt{3}}{\sqrt{2}}\)

<=> x = 4,899

b, -5x = 1 + \(\sqrt{5}\)

<=>x=\(\dfrac{1+\sqrt{5}}{-5}\)

<=>x= -0,647

a)2x=\(\sqrt{13}\)

<=>x=\(\dfrac{\sqrt{13}}{2}\)

<=>x=1,803

She is a very kind-hearted, quiet woman.

A. loud                 

B. talkative           

C.  many-mouthed         

D. noisy