Question

PART 2:  SHOW YOUR STEPS AND WORK

5) 4.2(1.2b) - (-0.9b) /2 = 5.94

6) 7/3(c+3) = 1/3-c

7) 1 1/6g +3 3/2 -2 1/3 -5 =0

8) 9.1= 2.8(4h-1 ) /4

Answer 1

`4.2(1.2b)- (-0.9b)/(2) =5.94`

`5.04b--0.45b =5.94`

`5.04b+0.45b =5.94`

`5.49b=5.94`

`b = (5.94)/(5.49) = 1.08197 (approximately)`


`7/3(c+3) = 1/3-c`

`(7c)/(3) + 7 = (1)/(3) - c`

`7c+21 = 1 - 3c`

`10c+21 = 1`

`10c = -20`

`c=-2`


`(11g)/(6) + (9)/(2) - (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)

`(11g)/(6) + (27)/(6) - (4)/(6) - (30)/(6) =0`

`11g+27-4-30=0`

`11g-7=0`

`11g=7`

`g = (7)/(11)`


`9.1= (2.8(4h-1 ))/(4)`

`36.4= 11.2h-2.8`

`39.2= 11.2h`

`h= (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