# Questions on Algebra: Equations answered by real tutors!

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## Tutors Answer Your Questions about Equations (FREE)

 Question 748857: I am a little lost on this series. Please solve each equation by taking square roots: 3 + 7n^2 = 52 Click here to see answer by MathLover1(7480)

 Question 748924: the sum of x and 4x = 4. what is the value of x? Click here to see answer by Cromlix(2315)

 Question 748925: x(x-8)=-5 Click here to see answer by LyokoJames(2)

 Question 748970: twenty is twice the sum of a number and four. find the number. Click here to see answer by timvanswearingen(106)

 Question 748953: help me to solve it 1000-75p = 1170750/p(1-25,82/p) Click here to see answer by MathLover1(7480)

 Question 749058: (f(a+h)-f(a))/(h),h is not equal to zero. f(x)=7/x+1 Click here to see answer by solver91311(18785)

 Question 749062: Please help me solve this Equation:6y+5=23 (please include working out) Click here to see answer by solver91311(18785)

 Question 748431: What is the value of x in the following equation? -(-5x)=(-49) Click here to see answer by Cromlix(2315)

 Question 749168: Having your car repaired. The machanic said it would cost at least \$375 for parts and labor. If the cost of the parts was \$150, and the mechanic charges \$60 an hour, how many hours is the mechanic planning to work on the car? Click here to see answer by josmiceli(10616)

 Question 749190: Nathan, who has been working for a consulting firm, is thinking of starting his own consulting company. He has determined that based on how much business he would likely be doing, his yearly costs would be \$50,000 for rent on the office building \$180,000 for employee wages and salaries, and \$8,000 for materials and utilities. In addition, in order to start the business, he would have to invest \$100,000 of his own funds. He plans to manage the business, which would require him to quit his job at the consulting firm, where he currently earns \$60,000 a year. Finally, the interest rate or rate of return of investments in the economy is 6%. If Nathan starts his business, his total implicit cost would be? If nathan starts his business, his total cost (TC) per year would be? Click here to see answer by solver91311(18785)

 Question 749273: a rug has an area of 1/2 sq yd. if the rug is 1/3 long how wide is it Click here to see answer by rfer(13569)

 Question 749283: Find the y-intercept of the line whose equation is y=-20/3x+19/8 Click here to see answer by Alan3354(34674)

 Question 749356: the sum of a,b and c is 14. if 9a + 8b + 6c = 101, what is the value of 2a + b -c? Click here to see answer by tommyt3rd(3721)

 Question 749462: If x - z = xy + w, then x equals: I tried: x - z + z = xy + w + z x = xy +w + z x/y = xy/y + w + z x/y = x + w + z stuck! Click here to see answer by Alan3354(34674)

 Question 749463: Please Help me solve these Equations! I'm Stuck :( 1.Solve the following Equation: 6x -2 (x-1)=7x +19 -2x The Solution Set is: Click here to see answer by timvanswearingen(106)

 Question 749583: In the equation, 3x-12y=6, if y= -2, what is x? Thanks! Click here to see answer by stanbon(60771)

 Question 749865: please show me the steps to work this problem -12y -10 = 6y + 14 Click here to see answer by josmiceli(10616)

 Question 749916: p-4=28p=32 Click here to see answer by Alan3354(34674)
 Question 749916: p-4=28p=32 Click here to see answer by lenny460(914)

 Question 750020: Simplify Click here to see answer by tommyt3rd(3721)

 Question 750072: A group of students wishes to charter a bus to a educational trip. The bus company takes at most 45 people and 30 at least. It charges Rs. 100 per person if 40 people are to go. If more than 40 people it will charge Rs.100 less 1/5 times each person after 40 people. Find the total cost of trip if 40 people are to go. Find the total cost of trip if 42 and 45 people are to go. Click here to see answer by kibauu(44)

 Question 750081: How do i solve (x+1)/3 = 2/(2x-1) I know it has to be something like: (x+1)(2x-1)=3x2 (x+1)(2x-1)=6 but i don't know how to solve it after that. Thank you! Click here to see answer by Alan3354(34674)

 Question 750092: THE PRODUCT OF FIVE AND TWO MINUS THE QUOTIENT OF SIX AND THREE Click here to see answer by dkppathak(133)

 Question 750095: What is 10 the power of 4 x 10 to the power of 7? Click here to see answer by Alan3354(34674)

 Question 750100: The particle of a bacteria is 4.56 x 10 ^(-11) while the particle of a virus is 2.111 x 10^(-15). How many times bigger is the bacteria then the virus? Click here to see answer by Alan3354(34674)

 Question 750142: what is the solution to the equation 2x+5=6x-5? Click here to see answer by JoeTaxpayer(186)
 Question 750142: what is the solution to the equation 2x+5=6x-5? Click here to see answer by stanbon(60771)

 Question 750164: Solve a) 4√(2x+7) - 5 = 7 Can you please help me out? Thanks so much in advance:) Can you also show the steps it would really help me understand better:) Click here to see answer by josgarithmetic(3308)

 Question 750199: A school sold 200 tickets to a play. Ticket prices were \$8 per adult and \$5 per child. If the total sales for the tickets came to \$1414, how many children were sold? Click here to see answer by Kg2003(10)

 Question 750300: Find equations of trhe tangents to the curve f(x) = x2 - 9x + 20 at points where the curve crosses the x-axis Click here to see answer by JoeTaxpayer(186)

 Question 750304: -(-2x)=(-19) find x??? Click here to see answer by dkppathak(133)

 Question 750390: how do you find the product of (9x-7)(9x+4) Click here to see answer by tommyt3rd(3721)

 Question 750368: 10x ^(2) = 490 Solve for x Click here to see answer by josgarithmetic(3308)

 Question 750456: x/5-x=4 Click here to see answer by jim_thompson5910(29613)

 Question 750446: -50=-2(a+3) Click here to see answer by jim_thompson5910(29613)

 Question 750447: 5(y-2)-2=2(y+10)-5 Click here to see answer by jim_thompson5910(29613)

 Question 750495: Question Removed (inappropriate content) Click here to see answer by jim_thompson5910(29613)

 Question 750499: A phone number contains 7 digits. The product of these digits is an even perfect square. Given this, what can be the sum of these seven digits. Click here to see answer by Alan3354(34674)

 Question 750448: The table shows the number of tulip bulbs Chloe and Grady planted. If they each planted the same number of bulbs, how many did each plant? Chloe= 3(t+1) Grady= 3(2t-3) Click here to see answer by checkley79(3056)

 Question 750565: Completing the square x^2-2x-8=0 Im stuck on this thanks! Click here to see answer by JoeTaxpayer(186)
 Question 750565: Completing the square x^2-2x-8=0 Im stuck on this thanks! Click here to see answer by MathLover1(7480)
 Question 750565: Completing the square x^2-2x-8=0 Im stuck on this thanks! Click here to see answer by lwsshak3(7677)

 Question 750733: hello i would like help for this question: solve the following equation: 8(5x-3)= 136 i have tried doing it here is my working out: 8 * 5x =40x 8*3= 24 40x-24=136 then i added 24 to -24 = 0 and 136+24=150 150/40 = in decimals but i know the answer is a whole number so please explain this thank you so much Click here to see answer by Cromlix(2315)

 Question 750763: Please can i have help with this question, what is the value of a? 5+3a=a-15 Click here to see answer by timvanswearingen(106)

 Question 750764: Please can i have help with this, what is the value of x? x²=7x Click here to see answer by MathLover1(7480)