Question

PART 2:  SHOW YOUR STEPS AND WORK

Answer 1

$4.2(1.2b)- \frac{-0.9b}{2} =5.94$
$5.04b--0.45b =5.94$
$5.04b+0.45b =5.94$
$5.49b=5.94$
$b = \frac{5.94}{5.49} = 1.08197 (approximately)$

$7/3(c+3) = 1/3-c$
$\frac{7c}{3} + 7 = \frac{1}{3} - c$
$7c+21 = 1 - 3c$
$10c+21 = 1$
$10c = -20$
$c=-2$

$\frac{11g}{6} + \frac{9}{2} - \frac{2}{3} -5 =0$ (I interpret 3 3/2 as 3 times 3/2, although this unconventional writing method could be interpret in multiple ways and should be avoided)
$\frac{11g}{6} + \frac{27}{6} - \frac{4}{6} - \frac{30}{6} =0$
$11g+27-4-30=0$
$11g-7=0$
$11g=7$
$g = \frac{7}{11}$

$9.1= \frac{2.8(4h-1 )}{4}$
$36.4= 11.2h-2.8$
$39.2= 11.2h$
$h= \frac{39.2}{11.2} =3.5$

Answer 2

I don't know 5 and 7 it's to complicated for me plus I haven't learned how do those kind

6)7/3 (c+3)=1/3-c
7/3c+7=1/3-c
3×7/3c+3×7=3×1/3-3c
7c+3c=1-21
10c=-20
c=-2