# 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

## Tutors Answer Your Questions about expressions (FREE)

 Question 228383: how do you solve 6*(-2)*(-1)*3 Click here to see answer by rfer(12726)

 Question 228814: I'm not sure if this is what this is the right place for it but can you explain this problem and how to solve it: x/3=-10. Click here to see answer by Alan3354(31487)

 Question 228907: Solve: f(f^-1(-14)) How do I do this? Click here to see answer by rapaljer(4667)

 Question 229006: Simplify: -6[39 -(-88 -8)] Click here to see answer by rfer(12726)

 Question 229083: Solve: -10 ≤4x -5 ≤4 Click here to see answer by chibisan(131)

 Question 229441: 1)the quotient of a number and six 2)the quotient of two and three more than a number Click here to see answer by stanbon(57940)

 Question 229239: COMPLETE 4X/X-1=?/(X+1)(X-1) Click here to see answer by ankor@dixie-net.com(15745)

 Question 229738: How do I write the sentence (-x)2 ≠ -x2 in words? Click here to see answer by ly12603(44)

 Question 229853: x+y(y+8x) Click here to see answer by rfer(12726)

 Question 229960: Greetings~ I need to evaluate the variable expression when a= -2, b=4, c= -1, and d=3. on problem -2/3d- 1/5(bd-ac)= This is what I have tried: Solution distribute the values to the variables: -2/3(3) - 1/5(4(3) - (-2)(-1))= simplify equation with parentheses: -2/3(3) - 1/5(12 -3)= simplify more: -2/3(3) - 1/5(9)= simplify multiplication: -2/3 * 3/1 + -1/5 * 9/1= multiply numerators and denominators: (-2 * 3)/(3 * 1) + (-1 * 9)/ (5 * 1)= simply: -6/3 + -9/5= find common denominator: (-6*5)/(3*5) + (-9*3)/(5*1)= simplify: -30/15 + -27/15= add numerators: (-30 + -27)/15= simplify: -57/15= find lowest common multiple: (-57/3)/(15/3)= simplify: -19/5 Thanks =) Click here to see answer by stanbon(57940)
 Question 229960: Greetings~ I need to evaluate the variable expression when a= -2, b=4, c= -1, and d=3. on problem -2/3d- 1/5(bd-ac)= This is what I have tried: Solution distribute the values to the variables: -2/3(3) - 1/5(4(3) - (-2)(-1))= simplify equation with parentheses: -2/3(3) - 1/5(12 -3)= simplify more: -2/3(3) - 1/5(9)= simplify multiplication: -2/3 * 3/1 + -1/5 * 9/1= multiply numerators and denominators: (-2 * 3)/(3 * 1) + (-1 * 9)/ (5 * 1)= simply: -6/3 + -9/5= find common denominator: (-6*5)/(3*5) + (-9*3)/(5*1)= simplify: -30/15 + -27/15= add numerators: (-30 + -27)/15= simplify: -57/15= find lowest common multiple: (-57/3)/(15/3)= simplify: -19/5 Thanks =) Click here to see answer by rfer(12726)

 Question 229908: If Each of two congruent sides of an isosceles triangle is 8 in. less taht twice the base. The perimeter if the traingle is 74in. what is the length of the base? Click here to see answer by rfer(12726)

 Question 230330: y+1=x+2 write equation in stardard form Click here to see answer by rfer(12726)

 Question 230467: multiply out the expression (x-(1/7))^2 Click here to see answer by stanbon(57940)

 Question 230485: how would i solve x(x-6) Click here to see answer by solver91311(17059)

 Question 230482: multiply out the expression (x-6)^2 Click here to see answer by checkley77(12569)

 Question 230478: A line segment joins the points (9,11) and (61,319) in the Cartesian plane. Including its end points, how many lattice points does this line segment contain? Click here to see answer by scott8148(6628)

 Question 230703: (-8x^2+2x+2) - (8x^2-x+6) + (5x^2+1) Simplify. I need help again. Thanks!! Click here to see answer by checkley77(12569)
 Question 230703: (-8x^2+2x+2) - (8x^2-x+6) + (5x^2+1) Simplify. I need help again. Thanks!! Click here to see answer by unlockmath(1614)

 Question 230749: 8=4(3c+5) Click here to see answer by checkley77(12569)

 Question 231009: Factor z^2+14z+24 Help me please. I still do not understand the z in the beginning and another one at the end. How do I do this? Click here to see answer by rfer(12726)

 Question 231373: how do you evaluate 6 divided by 2 1/2? Click here to see answer by rfer(12726)
 Question 231373: how do you evaluate 6 divided by 2 1/2? Click here to see answer by stanbon(57940)

 Question 231516: h(t)=t2 - 2t A. h(2) B. h(-1) C. h(x+2) D. h(1.5) evaluate the function at each s[ecified value of the independent variable and simplify. Click here to see answer by unlockmath(1614)

 Question 231833: whats (3+6)/3 to the second power Click here to see answer by rfer(12726)

 Question 232285: my question is:a plumer charges \$30 per hour and \$42 for each hour of overtime. For a job, the plumer works 3 regular hours, h over time hours, and charges \$195 for new parts. The total amount of the bill for the job is \$390. Write an solve an equation ti find the number of over time hours the plumber worked. What i really need help on is how to write an equation for it. please help. Click here to see answer by stanbon(57940)

 Question 232289: a class of 42 students and 2 teachers plan a trip to an observatory. The class has raised \$485 for the trip. Admission is \$5 per person and bus rental is \$230. With the remaining money, the class can invite guests to fill the remaining seats on the bus. Write and solve an equation to find the number of guests (G) the class can invite. Can u please help me make an equation for the problem and explain it for me please:) Click here to see answer by eggsarecool(46)

 Question 232453: Are these equal: -3^2, -(3)^2, (-3)^2? Click here to see answer by unlockmath(1614)

 Question 233192: The number (x-4) is how much less than the number (x+4) Click here to see answer by ly12603(44)
 Question 233192: The number (x-4) is how much less than the number (x+4) Click here to see answer by smartguy101(5)

 Question 232539: 7 less than 5 X a number n Click here to see answer by ly12603(44)

 Question 233295: I have a question to factor M^3 + 27. would the correct answer be m^3 + 3^3? I know this seems basic. Thanks Click here to see answer by Earlsdon(6294)

 Question 233318: -2x+4=5-3x Click here to see answer by rfer(12726)

 Question 233321: 3 (5x + 2x) = 3 (7x) Click here to see answer by rfer(12726)

 Question 234073: Can you please explain how to solve for S in this problem, it's been a very long time since I've had to do problems of this nature. Thanks 2[s+3(s-1)]=18 Click here to see answer by rfer(12726)

 Question 234280: How do you solve this : 7y+33-4y Click here to see answer by rfer(12726)

 Question 234642: writing expression for the word phrase: One number is six times another. The greater number is a. Write a variable expression for the smaller number. Click here to see answer by Stitch(352)

 Question 234710: Evaluate:2y^2(x+y) When x=1 and y=5 Click here to see answer by stanbon(57940)

 Question 235528: Can you please help me understand this? I think I'm way over thinking this and just confusing myself... Thanks so much for your time... For which integers a, b, c does a -b –c= a-(b – c)? Justify your answer. Click here to see answer by josmiceli(9817)
 Question 235528: Can you please help me understand this? I think I'm way over thinking this and just confusing myself... Thanks so much for your time... For which integers a, b, c does a -b –c= a-(b – c)? Justify your answer. Click here to see answer by ankor@dixie-net.com(15745)

 Question 235620: xy challenge - Rewrite the expression as a product. 4x + 7x I do not understand what this means or how to rewrite it. Thank you Click here to see answer by rfer(12726)

 Question 235637: write each phrase as numerical or algebraic expression. 1. the quotient of 325 and 25 Click here to see answer by rfer(12726)

 Question 235533: how do you multiply (4^-2 * 2^-3) ? Click here to see answer by MathPro(14)

 Question 235896: Multiply as indicated: Please show work so i know how to do more. (2x-3)(3x-2) Click here to see answer by stanbon(57940)
 Question 235896: Multiply as indicated: Please show work so i know how to do more. (2x-3)(3x-2) Click here to see answer by nyc_function(2733)

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