Homework Help: Math 8R - help!!!!!!!!!!!!!

Posted by Laruen on Wednesday, October 17, 2012 at 8:27pm.

Multi-Step Equations
Solving Equations with Variables on Both Sides

1) 5y + 4 = 4y + 5
11a + 9 = 4a + 30
2w + 3 = 4w - 5

2) 3a - 10 = 4 + a
2x - 1 = x - 3
6n + 4 = n - 11

3) 29r + 4 = 28 + 13r
7x - 11 = -19 + 3x

4) b + 3 = 2b - 7

I'm having a bit trouble and really confused with the problems. I'm NOT asking you to do this homework for me because that would wrong and I won't learn anything. Can you do #1, 2, 3, and 4 for me for I can do the problems below it since it's similar to them.

Math 8R - help!!!!!!!!!!!!! - Ms. Sue, Wednesday, October 17, 2012 at 8:34pm
1)
5y + 4 = 4y + 5
5y - 4y = 5 - 4
y = 1

2)
3a - 10 = 4 + a
3a - a = 4 + 10
2a = 14
a = 2

3)
29r + 4 = 28 + 13r
29r - 13r = 28 - 4
16r = 24
r = 24/16 = 1 8/16 = 1 1/2
Math 8R - homework qs. check - Laruen, Wednesday, October 17, 2012 at 8:49pm
thanks

2w + 3 = 4w - 5
4w - 2w = 3 + 5
2w = 8/2
w = 4

am i correct????
Math 8R - help!!!!!!!!!!!!! - Ms. Sue, Wednesday, October 17, 2012 at 8:53pm
You're welcome.

Your answer is correct.
Math 8R - help!!!!!!!!!!!!! - Laruen, Wednesday, October 17, 2012 at 8:59pm
2x - x = 3 - 1
1x = 2/1
x = 2
Math 8R - help!!!!!!!!!!!!! - Ms. Sue, Wednesday, October 17, 2012 at 9:04pm
Yes.

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