-5g - 6 for g= -2

Question

4
16
10
-13

write an algebraic expression for the sum of 3 coins and c coins
c+3
c/3
3c
c-3

what value of x is a solution to the equation x-2=16
14
18
21
12

z/-12=-5
7
-60
-17
60

estimate the solition of the equation x-8.1=5.3 to the nearest whole number
13
14
4
3

14=t-44=
-30
-58
30
58

-30=j+50=
80
20
-1,500
-80

5.8=z/2.2
127.6
0.37
3.7
12.73

simplfly the expression and explain each step
4(3x+2)-2
factor the expression completely
20b-16

sorry its a lot but I kinda need it :P

Answer 1

How about I do a few and you show where you get stuck?

-5g - 6 for g= -2
just plug in -2 for any g's:
-5(-2)-6 = 10-6 = 4

when you see sum, it means add. So,
sum of 3 and c is 3+c or c+3

20b-16
4(5b-4)

You must surely have some ideas on the rest. If not, you are in big trouble.

Answer 2

Answers to the quiz pls