# Questions on Algebra: Operations with Signed Numbers answered by real tutors!

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 Algebra: Operations with Signed Numbers Solvers Lessons Answers archive Quiz In Depth

 Question 429799: (3x-5y) - 2(7x+5y) simplify bu combining like terms Click here to see answer by rfer(12645)

 Question 430083: tshirts are on sale. If you purchase one, another of equal cost is half price. Rob bought two t shorts for a total cost of \$17.97. Find the cost of one shirt. Click here to see answer by andecover(2)

 Question 438198: Im having trouble doing the proper operation on this problem: x-9=-2 I know the answer in my head, its obvious but I cant remember how to work it on papaer. Click here to see answer by jorel1380(2518)

 Question 439478: I am having issues understanding how and when to "reorder the operations". It appears when the reorder of operations is done that all expressions with a letter get moved to the right and all subtraction problems get changed to additions problems. What are the rules of this? Click here to see answer by MathLover1(6614)

 Question 440854: find the rule for each function table x 2 5 4 13 6 21 8 29 10 37 Click here to see answer by stanbon(57224)

 Question 441241: 6m -2 = m+13 how do you do this Click here to see answer by rwm(914)

 Question 445160: Please tell me if I am on the right track: (-20)-(-30) = 10 (-20)-(+30) = -50 (+20)-(-30) = 50 Thank you. Click here to see answer by swincher4391(726)

 Question 454982: 3^k + 3^k = (3^9)^3^9 - 3^k what is the value of k=? Click here to see answer by Gogonati(809)

 Question 460941: How to define which number is bigger( a or b)by using:a=a-b,b=b+a and a=b-a? Click here to see answer by MathLover1(6614)
 Question 460941: How to define which number is bigger( a or b)by using:a=a-b,b=b+a and a=b-a? Click here to see answer by sudhanshu_kmr(1152)

 Question 466201: Is this the place to ask about order of operations? I know PEMDAS but I've tried the probably 5 times and can't get it! Evaluate 7[32 - 2(1 + 2)] ÷ 7 + 52. Click here to see answer by lwsshak3(6463)

 Question 468005: using the formula C= lld, find C when d is 14 yards Click here to see answer by ewatrrr(10682)

 Question 474225: find the x and y intercepts of the line x-3y= 5 Click here to see answer by solver91311(16868)