Please help with 5 math questions
posted by Anonymous .
1. 7r – 7 = 2r + 18
r = –5
r = 5
r = 2.2
r = 1.2
2. 2x + 12 = 18 – x
x = 3
x = 10
x = 6
x = 2
3. 8x – 3 = 15x + 18
x = –3
x = 3
x = 2.1
x = .9
4. 6y – 6 = 4y + 16
y = 2.2
y = –2.2
y = 11
y = 5
5. 3(x – 4) = 5(x + 2)
x = 11
x = –11
x = 1
x = –1

Please help with 5 math questions 
Anonymous
Intrustions: Solve the equation. Round to the nearest tenth if necessary.

steve help 
Anonymous
Steve anyone help

Please help with 5 math questions 
Steve
these are all basically the same. Here's #5. It should help you on the others:
3(x4) = 5(x2)
expand to remove parentheses:
3x12 = 5x+10
collect the x stuff on one side:
2x = 22
divide by the coefficient of x: 2
x = 11
finally, check your answer!
3(114) = 5(11+2)
3(15) = 5(9)
45 = 45
if you get stuck on the others, come on back and show how far you got. 
Please help with 5 math questions 
Anonymous
ok so check my answers:
1. b
2. d
3. a
4. c 
Please help with 5 math questions 
Steve
1. ok
2. ok
3. ok
4. ok
as you could verify by plugging those values into the equations. 
Please help with 5 math questions 
Anonymous
That was easy thanks

Please help with 5 math questions 
Steve
it's always easy if you know what you're doing.
even so, there are lots of problems where the steps are easy, but you have to watch the details. 
Please help with 5 math questions 
Anonymous
Ok.

Please help with 5 math questions 
This Girl
looks hard.

Please help with 5 math questions 
Anonymous
it is

Please help with 5 math questions 
This Girl
Yay for steve!

Please help with 5 math questions 
CHECK MY ANSWERS PLEAAAAAASSSSSSSSEEEEEEEE
the answers are
b
d
a
c
b 
Please help with 5 math questions 
Arthur
Thanks! 100% correct
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