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Mathematics 18 Online
OpenStudy (abbycross167):

Can someone please check my math answers? 23. What is the value of the expression [(5)(9) / x] + 6x when x = -3? a. -33 b. -9 c. 3 d. 33 Answer~A 24. What is the solution of 30| x | = 10? a. -3 and 3 b. 3 c. 1/3 d. -1/3 and 1/3 Answer~ D 25. Which step can you use to solve the equation 3x = -12? a. Divide each side by -12. b. Divide each side by 3. c. Multiply each side by -12. d. Multiply each side by 3. My Answer~ C

OpenStudy (skullpatrol):

Number 24 is right, but not 25, and 23 is not written correctly.

OpenStudy (abbycross167):

how is 23 not written correctly? and is 25 A? Thank you for your help

OpenStudy (skullpatrol):

For number 25 "divide each side by 3"

OpenStudy (skullpatrol):

That^ will isolate or get the x alone on one side of the equation, right?

OpenStudy (abbycross167):

oh okay, I really appreciate your help

OpenStudy (skullpatrol):

Recheck how the question is written for number 23 :-)

OpenStudy (abbycross167):

I really don't see how 23 is miswritten... this is exactly how my teacher wrote it. Do you think she might have put the wrong answers?

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