28. 6x+42-20=6x
42-20=0
42-20 gives you 22
22=0
Statement is false
30. -2x-4=-2x-3-1
-2x-4=-2x-4
Statement is true because both sides are identical
32. 2x+8-5=2x+3
8-5=3
3=3
Statement is true for any value of x
34. 3x+(x+4)=18
3x+x+4=18
4x+4=18
4x=18-4
4x=14 (next divide both sides by 4)
x= 7 over 2
7/2
-4z is the answer I believe
Hard
You put your right foot in
You take your right foot out
You put your right foot in
And you shake it all about
You do the hokey pokey
And you turn yourself around
That's what it's all about
You put your left foot in
You take your left foot out
You put your left foot in
And you shake it all about
You do the hokey pokey
And you turn yourself around
That's what it's all about
Answer:
2 5/6
Step-by-step explanation:
So basically what you do is this:
(2/3) * (17/4) = 34/12 = 2 10/12 = 2 5/6
And so that’s how you get your answer.
Hope this helps!
If I made any mistakes, please let me know!