# Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!

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 Algebra: Evaluation of expressions, parentheses Solvers Lessons Answers archive Quiz In Depth

 Question 220250: Which of the following expressions represents the product of 3 less than twice x and 2 more than the quantity 3 times x ? A. –6x2 + 25x + 6 B. 6x2 + 5x + 6 C. 6x2 – 5x + 6 D. 6x2 – 5x – 6 E. 6x2 – 13x – 6 Click here to see answer by ptaylor(2052)

 Question 220615: Please explain step by step how to symplify: (2t+4)3+6(-5t)-(-8) The answer in my book is: -24t+20 I don't have a clue how to get there. Click here to see answer by chibisan(131)
 Question 220615: Please explain step by step how to symplify: (2t+4)3+6(-5t)-(-8) The answer in my book is: -24t+20 I don't have a clue how to get there. Click here to see answer by rapaljer(4667)

 Question 220763: I used to know how to do these problems. 8(9-4)(4+5)x4= But i forgot how to. What are the steps? And Are these steps right? 8 Over 16 + 9 Over 16 Does it equal 8 over 17? Click here to see answer by babydoll77stl(4)

 Question 220793: evaluate xy as well as x/y if x=20 and y = -5 Click here to see answer by rfer(12730)

 Question 220968: the product of nine and a number, decreased by seven. Click here to see answer by checkley77(12569)

 Question 221971: state the expression without parentheses for 3(x + 2) Click here to see answer by jim_thompson5910(28717)

 Question 222029: m doing Variables and i just cant get this problem c=2(pie)R Click here to see answer by checkley77(12569)
 Question 222029: m doing Variables and i just cant get this problem c=2(pie)R Click here to see answer by rfer(12730)

 Question 222041: what is the answer to this problem step by step? (10 x n) + 7 = 457 Click here to see answer by checkley77(12569)

 Question 222486: X=6, y=-4, a=3 6x - 5y + 4a evaluate. Click here to see answer by drj(1380)

 Question 223027: Solve. 8x-(6x+4)=12 The solution of x = ___ Click here to see answer by rfer(12730)
 Question 223027: Solve. 8x-(6x+4)=12 The solution of x = ___ Click here to see answer by drj(1380)

 Question 223381: twice a number is 60 more than five times the number. what is the number? Click here to see answer by checkley77(12569)
 Question 223381: twice a number is 60 more than five times the number. what is the number? Click here to see answer by jsmallt9(3296)

 Question 224384: Could you help me with this problem? Dina and Masha start out on a 10km bikepath at the same time. When Dina reaches the end of the 10km, Masha still has 2km left to bike. Dina's biking speed is 5km per hour, find Masha's biking speed. Click here to see answer by checkley77(12569)

 Question 225594: A tank can be filled from the faucet in 8 hours. It takes only 6 hours to empty the tank when the drain is open. If the tank is full and both the faucet and drain are open, how long will it take to empty the tank? Click here to see answer by ankor@dixie-net.com(15746)