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

Tutors Answer Your Questions about Signed-numbers (FREE)

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 431135: what is -2x0
Click here to see answer by rfer(12645)

Question 434983: find the opposite -11
Click here to see answer by stanbon(57224)

Question 435544: Factor completely: (2a+b)x+(2a+b)y
Click here to see answer by shree840(260)

Question 435557: Factor completely: 5x^2+10y^2
Click here to see answer by shree840(260)

Question 435557: Factor completely: 5x^2+10y^2
Click here to see answer by richard1234(5390)

Question 435559: Factor completely: 3x^2+15x+12
Click here to see answer by scott8148(6628)

Question 435559: Factor completely: 3x^2+15x+12
Click here to see answer by jorel1380(2518)

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 440490: How would I solve this equation?
4^2.7
Click here to see answer by rwm(914)

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 443102: Solve for X:
-4x+2+3x=4x+1+x
Click here to see answer by swincher4391(726)

Question 444405: i dont understand this problem
Click here to see answer by chriswen(106)

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 446073: Please help me solve this.
Perform the indication operation.
12/20 - 8/30
Click here to see answer by rfer(12645)

Question 449121: 9+(-3+5-7+6)=
Click here to see answer by unlockmath(1599)

Question 450897: what is 5x+x+8-6
Click here to see answer by ilana(307)

Question 450896: How do you find what a+a+2a is?

Click here to see answer by richard1234(5390)

Question 454566: 5+6*9
Click here to see answer by solver91311(16868)

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 458015: how do u solve equations
Click here to see answer by Alan3354(30966)

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 461435: 456448454/5000 + 93352662/10000
Click here to see answer by richard1234(5390)

Question 461435: 456448454/5000 + 93352662/10000
Click here to see answer by MathLover1(6614)

Question 462411: Rewrite the division as a multiplication -97/(-91)
Click here to see answer by algebrahouse.com(1079)

Question 464525: 26+40/(-5)-8/2*14
Click here to see answer by mpc12381(4)

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 472429: 4/5-{-1/4}
Click here to see answer by MathLover1(6614)

Question 473075: -7^2 , (-7)^2 why are they different?
Click here to see answer by stanbon(57224)

Question 474210: (5y^2-6)-(y^2+3)
Click here to see answer by stanbon(57224)

Question 474226: simplify the radical: square root of 112
Click here to see answer by MathLover1(6614)

Question 474208: (3y-5)^2
Click here to see answer by edjones(7569)

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

Question 474223: solve by factoring 6x^2 -21x -12= 0
Click here to see answer by edjones(7569)

Question 474224: Solve. x^2 +14x = -49
Click here to see answer by edjones(7569)

Question 474224: Solve. x^2 +14x = -49
Click here to see answer by MathLover1(6614)

Question 474220: Factor 2x^2+x-15
Click here to see answer by rfer(12645)

Question 474219: Factor 2x^2-24x+40.
Click here to see answer by rfer(12645)

Question 476472: use the order of operations to simplify 5*16-10/5

Click here to see answer by MathLover1(6614)

Question 478438: what are the 6 consecutive odd integers beganing with -7?
Click here to see answer by Tatiana_Stebko(1326)

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