# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 240288: Solve using the addition and multiplication principles. thanks -6r + 3 ≤ -3(4r - 9) Click here to see answer by solver91311(16868)

 Question 240293: Solve the formula for the indicated letter. thanks P = s1 + s2 + s3 for s3 (Points :2) Click here to see answer by solver91311(16868)

 Question 240283: hello my name is anthony and i need help with this problem cuz i am new at this and so here it is and explain it the best way you can step by step? 5(2x+3)=4(x-1)+1 Click here to see answer by rfer(12644)

 Question 240364: Please help me understand the steps for solving this problem. The value of a two-digit number is twice as large as the sum of its digits. If the digits were reversed, the resulting number would be 9 less than 5 times the original number. Find the original number. Click here to see answer by scott8148(6628)

 Question 240430: what do you do if a minus sign is next to a parenthesis? Click here to see answer by vleith(2825)

 Question 240455: i am doing a problem. here is the equation, x^2+8x i cant find out what this type of problem is called. like is it a ex. parabola? Click here to see answer by Alan3354(30959)

 Question 240443: Solve the equation. (y - 11) - (y + 6) = 8y Click here to see answer by checkley77(12569)

 Question 240587: Solve and state properties c) 2(3x-1)-5(2x+3)=4x-7 I know that distributive property has to take place but afterwards I don't know what to do. thank you Click here to see answer by rapaljer(4667)

 Question 240623: Bruce receives a weekly salart of \$350. Hel also recieves a 6% commission on the total dollar volume of all sales he makes. What must his dollar volume be in a week, if he is to make a total of \$710.? Click here to see answer by checkley77(12569)

 Question 240692: John is 13 years less than 3 times as old as his son. Six years ago, he was 14 years more than twice as old as his son was then. How old is John? Click here to see answer by nyc_function(2733)

 Question 240788: What is y in this equation 3/2y - y =4 + 1/2? Click here to see answer by Alan3354(30959)

 Question 241030: Factor each polynomial completely. a^4 - ab^3 = This is what I tried and I am not sure it is correct? a^2a^2/a^2b^1 = a^2/b^1 I don't think this is the correct formula but I am not sure. Any help would be really appreciated. Click here to see answer by rapaljer(4667)

 Question 241067: How do we solve 2q^3 - 8q^2 - 4950 = 0? Click here to see answer by vleith(2825)

 Question 241107: Factor completely, if a polynomial is prime state this: thank you 2t^2-7t-4 Click here to see answer by vleith(2825)

 Question 240985: three times one number plus -7 times another number equals 21 Click here to see answer by ankor@dixie-net.com(15624)

 Question 241275: (x-1/x)=5 find the value of x2+1/x2=? here i wrote x square not x 2 please note that.Thanks Click here to see answer by rapaljer(4667)

 Question 241344: Multiply. thank you (xy + 3)(8xy - 2) Click here to see answer by checkley77(12569)

 Question 241343: Solve the problem. If necessary, round to the nearest tenth. On a sunny day, a tree and its shadow form the sides of a right triangle. If the hypotenuse is 35 m long and the tree is 28 m tall, how long is the shadow? Click here to see answer by checkley77(12569)

 Question 241342: Factor by grouping, if possible. thank you x^3 + 3x^2 + 8x + 24 Click here to see answer by Earlsdon(6287)
 Question 241342: Factor by grouping, if possible. thank you x^3 + 3x^2 + 8x + 24 Click here to see answer by unlockmath(1599)

 Question 241341: Solve using the principle of zero products. thank you (21 - 0.8x)(5 - 0.4x) = 0 Click here to see answer by stanbon(57219)

 Question 241367: Factor completely. If the polynomial is prime, state this. thanks 48x^2 + 40xy - 48y^2 Click here to see answer by josmiceli(9649)

 Question 241368: Perform the indicated operation. thanks (42k^3 + 12^k2 + 18k) ÷ (6k) Click here to see answer by stanbon(57219)
 Question 241368: Perform the indicated operation. thanks (42k^3 + 12^k2 + 18k) ÷ (6k) Click here to see answer by josmiceli(9649)

 Question 241381: Can someone please tell me what I did wrong, IF I did indeed do anything wrong? This is the equation: (4x/x-2) = x+ (8/x-2) This is what I did to get my answer: (4x/x-2) = x+ (8/x-2) 4x = x(x-2) + 8 4x = - 2x + 8 -4x -4x - 6x + 8 (x-4)(x-2) Your help would be greatly appreciate, as I desperately need it! Click here to see answer by Alan3354(30959)
 Question 241381: Can someone please tell me what I did wrong, IF I did indeed do anything wrong? This is the equation: (4x/x-2) = x+ (8/x-2) This is what I did to get my answer: (4x/x-2) = x+ (8/x-2) 4x = x(x-2) + 8 4x = - 2x + 8 -4x -4x - 6x + 8 (x-4)(x-2) Your help would be greatly appreciate, as I desperately need it! Click here to see answer by josmiceli(9649)