Questions on Algebra: Expressions involving variables, substitution answered by real tutors!

Tutors Answer Your Questions about Expressions-with-variables (FREE)

Question 338201: Express as a sum of logarithms.
logr (10T)
Click here to see answer by jim_thompson5910(28476)

Question 338164: reduce the rational expression to lowest terms.

Click here to see answer by katealdridge(100)

Question 338271: on the two days before a swim meet, jesse swam a total of 2,-5- meters. The second day, she swam 250 meters more than the first day. How many meters did she swim each day?
Click here to see answer by stanbon(57203)

Question 338264: Can someone help define direct variations?
Click here to see answer by solver91311(16868)

Question 338358: Solve x/6 + 7 = 17 for x
Click here to see answer by jim_thompson5910(28476)

Question 338376: 6x-4y=12
how do you solve that equation for y ?
Click here to see answer by jim_thompson5910(28476)

Question 338390: hi i need help working out an Algebra 1 problem, okay the problem is 12+3b=2+5b
Click here to see answer by backback(24)

Question 338390: hi i need help working out an Algebra 1 problem, okay the problem is 12+3b=2+5b
Click here to see answer by jim_thompson5910(28476)

Question 338373: What Is 2.50 Times x
Click here to see answer by edjones(7569)

Question 338452: if the equation was (7-5)2(the 2 is to the second power) would i distribute the 2 two both numbers or just the 5?
Click here to see answer by jim_thompson5910(28476)

Question 338429: The sum of three consecutive even integers is 174. Find the integers.
Click here to see answer by Alan3354(30924)

Question 338405: 7x-3y=6;x=3
Click here to see answer by edjones(7569)

Question 338466: a/2 + 1/5 = 17
Click here to see answer by jim_thompson5910(28476)

Question 338467: after your trip, you have 321 Swiss francs left. How much is this amount in dollars? Assume that you use other money to pay the exchange fee.
Click here to see answer by Alan3354(30924)

Question 338425: One angle is four times its supplement increased by 15 degrees. Find the measures of the two supplementary angles.
Click here to see answer by rfer(12644)

Question 338680: what is the formula to the following word problem???!!
"if it takes 5 painters to paint a boat in 6 days, how long will it take it there are 3 painters?"
Click here to see answer by Fombitz(13828)

Question 338919: Using substitution, how would you solve this problem. 5x+9y=-16
6x+y=31
Click here to see answer by Fombitz(13828)

Question 338968: How would you write an Algebraic Expression for: Number of days in w weeks?
Click here to see answer by jim_thompson5910(28476)

Question 338061: How do yOU SOLVE FOR 6Y=8-9=6Y IM SO CONFUSED...
Click here to see answer by jim_thompson5910(28476)

Question 339181: What is the algebric expression of: The amount of bacteria after n min if the initial amount of bacteria is q and the amount of bacteria doubles every min
Click here to see answer by ankor@dixie-net.com(15622)

Question 339190: for a particular event, 812 tickets were sold for a total of $1912. If students paid $2 per ticket and nonstudents paid $3 per ticket, how many student tickets were sold?
Click here to see answer by rfer(12644)

Question 339284: johns age is 13yrs greater than 3times dons age. ron is 5yrs younger than don. if the difference between ten times rons age and johns age is 28.
johns age?
rons age ?
Click here to see answer by mananth(12269)

Question 339518: Today, grandmother rode 20% further than she rode on Sunday, in 20% less time than Sunday's ride took. Her speed today was ?% of her speed on Sunday.
Click here to see answer by Kennedy(1)

Question 339219: I need your help solving this variable expression. -4(g+8)-(5g+3)
Click here to see answer by nyc_function(2733)

Question 339528:
Kim bought a total of $2.65 worth of postage stamps in four denominations. If she bought an equal number of 5-cent and 25-cent stamps and twice as many 10-cent stamps as 5-cent stamps, what is the least number of 1-cent stamps she could have bought ?
(A) 5(B) 10(C) 15(D) 20(E) 25
Could you explain the above problem Thanks

Click here to see answer by Edwin McCravy(8879)

Question 339846: i need help finding t2 in the following equation:
230=100*(t2-25)
thanks
Click here to see answer by solver91311(16868)

Question 339902: Is it possible to subtract this any further?

Click here to see answer by jim_thompson5910(28476)

Question 339902: Is it possible to subtract this any further?

Click here to see answer by solver91311(16868)

Question 339909: N=23+5Mfind N when M=6
Click here to see answer by jim_thompson5910(28476)

Question 339917: Can you solve
5-3[-3(5-8)-2(4-2)]
Click here to see answer by jim_thompson5910(28476)

Question 339938: I have a homework assignment and I am not sure of the answer
Translate each expression into a word expresion.
mn-4 I am not sure on the answer
the rest I think are right
d-x I have x less than d
x+9 I have the sum of X and 9
5y I have 5 times y
x/8 I have te quotient x and 8
Click here to see answer by jim_thompson5910(28476)

Question 339970: -9-(12-3x)
Click here to see answer by jim_thompson5910(28476)

Question 339974: 2x-(9x-4)
Click here to see answer by jim_thompson5910(28476)

Question 339979: -(5x+5)-4+8x
Click here to see answer by jim_thompson5910(28476)

Question 339985: 7(2x-4)-(10-3x)
Click here to see answer by nyc_function(2733)

Question 339988: -6(5+x)+(13x+1)
Click here to see answer by rfer(12644)

Question 339993: three times the sum of x and y increased by twice the sum of x and y
Click here to see answer by solver91311(16868)

Question 340028: write an expression for the pattern
10+1,10+2,10+3...
Click here to see answer by solver91311(16868)

Question 339990: how do you work this problem.
3(t-7) = t-6
------
2
Click here to see answer by edjones(7569)

Question 340037: Hi, thank you in advance for your help. My son's problem is 6-y = -y+2
We both are scratching our heads with this one.
Click here to see answer by josmiceli(9645)

Question 340049: the sum of 15 and x, plus 7
Click here to see answer by rfer(12644)

Question 340012: Whats the answer to 4 more then p i dont get it or 2(5-n) its annoying me
Click here to see answer by edjones(7569)

Question 340122: 3y-18-5y=-2
Click here to see answer by rfer(12644)

Question 340168: 4d-13+7d=-24
Click here to see answer by rfer(12644)

Question 340225: 40a - 50b
__________ Simplify
2
Click here to see answer by stanbon(57203)

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