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August 1, 2014

Homework Help: Math Help! Ms. Sue! Damon! Steve!

Posted by Jman on Friday, September 13, 2013 at 5:04pm.

I have tried doing these and I can't figure them out. These are 7 question taken from a 50 question test thingy, so these are all they one I cant figure out. Thanks for your help.



Is the equation true, false, or open?

5x + 2 = 6x + 11

a. Open; there is a variable.

b. True; the expressions are the same for all values of the variables.

c. False; the expressions are never the same.


Which ordered pair is a solution of the equation y = x – 3?

a. (–2, 5)

b. (–5, 2)

c. (2, 5)

d. (5, 2)

Which ordered pair is a solution of the equation y = 5x?

a. (–2, 10)

b. (–5, 25)

c. (–3, 15)

d. (–2, –10)

Which ordered pair is a solution of the equation y = –7x + 2?

a. (1, 2)

b. (8, –54)

c. (5, –35)

d. (1, –7)

Which equation is an identity?

a. 11 – (2v + 3) = –2v – 8

b. 5w + 8 – w = 6w – 2(w – 4)

c. 7m – 2 = 8m + 4 – m

d. 8y + 9 = 8y – 3

Solve the following equation.

2(h – 8) – h = h – 16

a. h = 8

b. h = –8

c. infinitely many solutions

d. no solution

Solve the following equation.

3 + 6z = 13 + 6z

a. z = –5/6

b. z = 22/3

c. infinitely many solutions

d. no solution

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