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

Tutors Answer Your Questions about expressions (FREE)

Question 1089621: Insert brackets to make each equation true:
a) 8 � 3 X 6 � 4 = 26
Click here to see answer by ikleyn(52831)

Question 1089772: What is the algebraic expression for x more than 7
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Question 1089855: what is the verbal expression for 1/3a^3
Click here to see answer by math_helper(2461)

Question 1090163: why is (2^3)^3 and (2^3)(2^2) are different and explain.
Click here to see answer by MathLover1(20850)

Question 1090305: use the p over q method and synthetic division to factor the polynomial P(x). then solve P(x)=0
P(x)=x^3+4x^2+x-6
Click here to see answer by Boreal(15235)

Question 1090305: use the p over q method and synthetic division to factor the polynomial P(x). then solve P(x)=0
P(x)=x^3+4x^2+x-6
Click here to see answer by MathLover1(20850)

Question 1090306: what is 6-[5-4�4+(7-2)]�2
Click here to see answer by rfer(16322)

Question 1090877: if x = 1/x, evaluate [[(x^2)-4x]/(x+3)]/[(4-x)/x]*[-[(x+3)/x^3]]
Click here to see answer by ikleyn(52831)

Question 1090875: Simplify the following expressions:
[(6/y)-5+y]/[(1/2)+(1/2y)-(3/(y^2))]
Click here to see answer by MathLover1(20850)

Question 1090933: Solve: (1-x)/(2+x) = (x-2)/(x+1)
Click here to see answer by ikleyn(52831)

Question 1091164: Evaluate the the following expression
1) 6c-7d+8 if c=5;d=2
2) 7(x+y)+3(x-y) if x=6;y=10
3) -8(a+b)+4a-7b if a=7;b=6
4) 2x+y;if x=2;y=4
5) 9(2p-4q)if p=1/2;q=1/4
Click here to see answer by MathLover1(20850)

Question 1091160: Evaluate the the following expression
1) 6c-7d+8 if c=5;d=2
2) 7(x+y)+3(x-y) if x=6;y=10
3) -8(a+b)+4a-7b if a=7;b=6
4) 2x+y;if x=2;y=4
5) 9(2p-4q)if p=1/2;q=1/4
Click here to see answer by Alan3354(69443)

Question 1091488: Althea is 5 years older than Leah, Leah is 4 is older than Jessica. The sum of their ages is 34. How old is each girl?
Click here to see answer by ikleyn(52831)

Question 1091489: one number is 25 greater than a second number. If the number is subtracted 3 times the greater number, the difference is 195. Find the numbers
Click here to see answer by ankor@dixie-net.com(22740)

Question 1091531: The Rhine river is 160 km shorter than the st lawerence. The amazon river is 800km longer than five times the length of the Rhine river. The Zambezi river is twice as long as the st Lawrence river. How long is the amazon if it is 1440km longer than the sum of the lengths of the other three rivers.
Click here to see answer by Boreal(15235)

Question 1091534: The length of a certain rectangle is 2 inches less than theee times the width. If the perimeter of the rectangle is 44 inches, what are the dimensions of the rectangle?
Click here to see answer by ikleyn(52831)

Question 1091530: Shelias age is two years more than twice Nicole's age. The schedule of their ages is the same as steves age. If steves age is ten years less than five times Nicole's age, find the age of each.
Click here to see answer by ikleyn(52831)

Question 1091554: The cost of an aardvark computer is $40 less than twice the cost of the Afghan computer while an armadillo computer costs $70more than the Afghan. If an order of two afgans, one aardvark, and three armadillos totals $6820. What is the cost of each computer?
Click here to see answer by josgarithmetic(39623)

Question 1091552: Shelias age is 2 years more than twice Nicole's age. The sum of their ages is the same as steves age. If steves age is ten years less than 5 times Nicole's age, find the age of each.
Click here to see answer by addingup(3677)

Question 1091529: The cost of the aardvark computer is $40 less than twice the. Pat of the Afghan computer, while an armadillo computer costs $70 more than the Afghan. If an order of two Afgans one aardvark and three armadillos totals $6820. What is the cost of each type of computer?
Click here to see answer by jorel1380(3719)

Question 1091941: twice the difference of x and 2 is greater than the reciprocal of 15
Click here to see answer by Fombitz(32388)

Question 1091941: twice the difference of x and 2 is greater than the reciprocal of 15
Click here to see answer by ikleyn(52831)

Question 1091941: twice the difference of x and 2 is greater than the reciprocal of 15
Click here to see answer by Alan3354(69443)

Question 1091968: If the five expressions 2x + 1, 2x � 3, x + 2, x + 5, and x-3 are arranged correctly, the first three expressions have a sum of 4x +3, and the last three expressions have a sum of 4x + 4, what would the middle expression be? (For example, would 2x + 1 need to be the expression in the middle to make both sums possible?)

Click here to see answer by Fombitz(32388)

Question 1092008: Please help me simplify this Expression Involving Fractional Forms:
Click here to see answer by MathLover1(20850)

Question 1092007: Use all four operations without parentheses to write an expression that has a value of 100.
Click here to see answer by Alan3354(69443)

Question 1092429: -31-4x=-5-5(1+5x)
Click here to see answer by MathLover1(20850)

Question 1092507: Can you explain how to solve this problem
Its 5x+y all over a then that equals 2

Click here to see answer by Alan3354(69443)

Question 1092639: What is the algebra expression for this word problem? Kevin buys 6months of gym membership. In return he receives a 15% discount. If x represents the total cost of the membership?
Click here to see answer by Alan3354(69443)

Question 1092689: solve for x
3ax+2b/c=4d
show your work
Click here to see answer by rfer(16322)

Question 1092687: Consider the equation 10(x^2-49)/3x(x^2-4)(x+1)=0. Is x=7 permissible? Which values of x are excluded? Rewrite as a system of equations. Show your work.
Click here to see answer by addingup(3677)

Question 1092784: simplify -2[9-(x+7)
Click here to see answer by Boreal(15235)

Question 1092640: Andre purchased 10 packs of trading cards online and he revives 20% discount. The shipping cost is $3.99. What is the expression to represent the total cost of cards with the shipping if x represents each pack of cards.
Click here to see answer by Fombitz(32388)

Question 1092683: Rewrite equation as a system of equations excluding the value (s) of x that lead to a denominator of zero. Then solve the equation for x. Show your work. Equation is 25x=1/x.
Click here to see answer by ankor@dixie-net.com(22740)

Question 1092828: so im new here so i think this is the appropriate topic?? thank you in advance if you answer!
a rectangle has a length of 4x + 7 and a width of 3x - 6. what is the simplified expression can be used to represent the perimeter of the rectangle?

Click here to see answer by josgarithmetic(39623)

Question 1092834: A=s^2
solve for s
show work

Click here to see answer by ankor@dixie-net.com(22740)

Question 1092829: x/m-x/n=1/p
solve for x
show your work
Click here to see answer by ankor@dixie-net.com(22740)

Question 1093234: (xy3z4)4 trying to remember how to do algebra so I can help my 7th grade daughter. can you show me how to solve this
Click here to see answer by josgarithmetic(39623)

Question 1093234: (xy3z4)4 trying to remember how to do algebra so I can help my 7th grade daughter. can you show me how to solve this
Click here to see answer by greenestamps(13203)

Question 1093322: simplify
2a-3b�3b-2a
Click here to see answer by Alan3354(69443)

Question 1093400: I dont know what this goes under but here it is: V = ANK solve for A
Click here to see answer by Alan3354(69443)

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