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

Tutors Answer Your Questions about expressions (FREE)

Question 340031: If you have a problem that is 6+6/6*6+6=24 how can you add parentheses to make the equation true?
Click here to see answer by edjones(8007)

Question 340084: 2/3x+5=-1/2x-2
Click here to see answer by rfer(16322)

Question 340296: I have to use 4 4s and come up with the answers 13 and 14?
Click here to see answer by solver91311(24713)

Question 340539: why do you get a -3 when figuring the problem -6-(-3)
Click here to see answer by solver91311(24713)

Question 340554: 8.6+9y for y = 7
Click here to see answer by rfer(16322)

Question 341270: First chapter of algebra grade 7 for my son and we cannot understand this. Please help us create a flowchart that represents 6(y+1)
THANKS!
Click here to see answer by fractalier(6550)

Question 341278: evaluate the expression 63b, for b=15
Click here to see answer by texttutoring(324)

Question 341297: how to solve 1/4 (16)
Click here to see answer by edjones(8007)

Question 341340: If 3 more than n is a negative number and if 5 more than n is a positive number, which of the following could be the value of n?
A. -5 B. -4 C. -3 D. 0 E. 4
Click here to see answer by rfer(16322)

Question 341619: The price of ground coffee beans is d dollars for 8 ounces and each ounce makes c cups of brewed coffee. In terms of c and d, what is the dollar cost of the ground coffee beans required to make 1 cup of brewed coffee?
Click here to see answer by stanbon(75887)

Question 341768: 5x - 4(x +9) = 2x - 3
Click here to see answer by Jeannie1012(8)

Question 342083: How do you find the coefficient of a variable for 5n=61?
Click here to see answer by jim_thompson5910(35256)

Question 342191: evaluate expression for the given value of the variable. 3h + 2 for h = 10
Click here to see answer by nyc_function(2741)

Question 342511: differentiate "subtracted by" and "is subtracted by"
Please can you help me in this question?
Click here to see answer by solver91311(24713)

Question 342670: what are all solutions of x to the second power = 16
Click here to see answer by Fombitz(32388)

Question 342737: 3-5(a-4) simplify
Click here to see answer by jim_thompson5910(35256)

Question 343012: Choose the correct simplification of the expression −6x2(4x − 7x2 − 2).
Click here to see answer by Fombitz(32388)

Question 343105: what is 20-(9)-12 divided by 2
Click here to see answer by rfer(16322)

Question 343158: You have quarters, dimes, and nickels in a jar. There are twice as many quarters as nickels. Write an expression for the number of coins in the jar in terms of nickels and dimes.
Click here to see answer by solver91311(24713)

Question 343312: Solve by removing the inner parentheses first and working outward.
2x-[9x-(x+7)]
Click here to see answer by akc(7)

Question 343587: a = 8
b= -14
a+(-b) = ?
Click here to see answer by solver91311(24713)

Question 343640: I have tried to figure out the following:
I need to place parentheses in the following expression so it equals the given value of 32
The problem is 23+1^8x5-2^2
Thank you for your help.
Click here to see answer by scott8148(6628)

Question 343650: Webster has n DVDs. This is 8 more than his friend Tonya has. Tonya has half as many DVDs as Karl. Write an expression for the number of DVDs that Karl has.

PLEASE RESPOND WITH THOROUGH EXPLANATION!!!
Click here to see answer by ankor@dixie-net.com(22740)

Question 343822: my MOM AND SOME OTHER PEOPLE HAVE BEEN TRYING TO FIGURE THIS PROBLEM OUT WE CAN NOT COME UP WITH THE ANSWER.
tHE INSTUCTIONS STATE INSERT PARENTHESES SO THAT THE EQUAION IS CORRET.
THE EQUATION IS 8+4*2+7/3=20. WE HAVE TRIED FOUR DIFFERENT WAYS AND NOTHING COMES OUT CORRECT,
MY EMAIL ADDRESS nicklas28570@yahoo.com
Thank you for you help.
Click here to see answer by solver91311(24713)

Question 343855: The expression 500t can be used to find the distance traveled by a DC-10 aircraft. the fariable t represents time in hours. How far can a DC-10 travel in 4 hours?
Click here to see answer by solver91311(24713)

Question 343618: how do you work 7gk if g=-5 and h=4
Click here to see answer by Fombitz(32388)

Question 344199: what is 56 divided by b for b=7

Click here to see answer by svarg04043(1)

Question 344203: what is 3m for m=9
Click here to see answer by rfer(16322)

Question 344246: write an expression to represent a loss of 1/3 of an investment of d dollars
Click here to see answer by nyc_function(2741)

Question 344585: the numbers in a 4 by 4 matrix were a. -5304, b.2312,c.6730,d.1530
Click here to see answer by Alan3354(69443)

Question 344590: what iwll i use to determine a graph is a function a.ruler b.a formula c.changes in the value of x d.the vertical line test
Click here to see answer by JBarnum(2146)

Question 344591: the graph of y=a(2)+8a+16 is a.a straight line b.avertical line c.a parabola d. decreasing {note the number 2 in () is exponent to the letter a}
Click here to see answer by stanbon(75887)

Question 344625: Can you help me with this problem? The answer is suppose to be -30, but I keep getting a positive 30. -a[(-x-a)-(x-y)]. The key is a=-3, x=4, y=-5
Click here to see answer by Alan3354(69443)

Question 344698: Please help me to evaluate this expression : 2(x - 4) - 5(x - 7)
Click here to see answer by stanbon(75887)

Question 344698: Please help me to evaluate this expression : 2(x - 4) - 5(x - 7)
Click here to see answer by mananth(16946)

Question 345008: Please help me solve this equation...
15t-(t-4)
Click here to see answer by Fombitz(32388)

Question 345083: simplify: 3 to fourth power- squqre root of sixty-four divide (10-12 squared)
Click here to see answer by oberobic(2304)

Question 345248: (x/(5X+25))-2 = 1/(X-5)
Click here to see answer by checkley77(12844)

Question 345620: 6.1{4}+2{1.5} can you show me the steps on solving this problem
thanks
Click here to see answer by stanbon(75887)

Question 345812: need help with 2 12/13 plus ( -7 10/13 =
Click here to see answer by checkley77(12844)

Question 345910: what factor do 12 and 18 have commen
Click here to see answer by Alan3354(69443)

Question 346058: how do i solve the following problem? (3x-1)^2=75
Click here to see answer by Fombitz(32388)

Question 346426: (3 times 4)to the 2cd power

Click here to see answer by ewatrrr(24785)

Question 346744: 10/2+3*-3-2*-3(2+3)-3
Click here to see answer by checkley77(12844)

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