# Questions on Algebra: Systems of Linear Equations answered by real tutors!

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 Linear Solvers Practice Answers archive Word Problems Lessons In depth

 Question 357762: Solve the following system by the addition method. 1/2x-1/3y= -4 -1/12x+1/10y= 2 x= y= Click here to see answer by jsmallt9(3296)

 Question 357715: Find the value of k such that the system of equations is inconsistent. 15x- 3y = 6 -10y+ ky = 9 Click here to see answer by Fombitz(13828)

 Question 358365: I need help with a linear word problem and equation (Please explain how you got your answer because I'm confused. Thank you.): Fundrasing: To raise money, your student council is selling magazine subscriptions. The student council will receive a one-time bonus of \$150 from the magazine publisher plus 38% of the subscription money. The following verbal model represents the situation. Write a linear equation from the verbal model. Money = Bonus + Subscription . Subscription Raised Percentage Money What I got was m=150+0.38x. One more thing: How much subscription money is needed for the council to raise a total of \$300? Round your answer to the nearest dollor. Click here to see answer by solver91311(16897)
 Question 358365: I need help with a linear word problem and equation (Please explain how you got your answer because I'm confused. Thank you.): Fundrasing: To raise money, your student council is selling magazine subscriptions. The student council will receive a one-time bonus of \$150 from the magazine publisher plus 38% of the subscription money. The following verbal model represents the situation. Write a linear equation from the verbal model. Money = Bonus + Subscription . Subscription Raised Percentage Money What I got was m=150+0.38x. One more thing: How much subscription money is needed for the council to raise a total of \$300? Round your answer to the nearest dollor. Click here to see answer by mananth(12270)

 Question 358653: solve system of equation by graphing then classify 2x-y=16 and 2x+3y=-8 Click here to see answer by Fombitz(13828)

 Question 359074: Can you help me solve this step by step? y=5-4x 3x-2y=12 Click here to see answer by Fombitz(13828)

 Question 359298: Solve by process of elimination: n+d+q=75 .05n+.10d+0.75q=7.25 n=5d *this question is dealing with coins* Click here to see answer by checkley77(12569)

 Question 359544: An electric power company charges its consumers \$ 0.40 per kilowatt for the first 100 kilowatts in a month, \$ 0.50 per kilowatt for the second 100 kilowatts, and \$ 0.60 for each additional kilowatt beyond. Mary pays \$ 120 for electricity used in last month.How much electricity did her family consume in the month? Click here to see answer by ankor@dixie-net.com(15660)

 Question 359908: please can you help me to solve this equation step by step. S=n/2(A+t) for A Click here to see answer by robertb(4012)
 Question 359908: please can you help me to solve this equation step by step. S=n/2(A+t) for A Click here to see answer by mananth(12270)
 Question 359908: please can you help me to solve this equation step by step. S=n/2(A+t) for A Click here to see answer by jim_thompson5910(28598)

 Question 360192: how do you solve the equation 4x+7x=33 in linear equations Click here to see answer by rfer(12670)

 Question 360246: I need help solving y= -2x + 9 -3x + y = -1 I need to graph this and I'm aliitle confused. Can you help? thanks in advance T. Jones Click here to see answer by stanbon(57387)
 Question 360246: I need help solving y= -2x + 9 -3x + y = -1 I need to graph this and I'm aliitle confused. Can you help? thanks in advance T. Jones Click here to see answer by rfer(12670)

 Question 360274: 2x + 3y + 3z = 6 -x + y + z = 2 Click here to see answer by robertb(4012)

 Question 360577: The population of Johnstown is increasing linearly in time. In 2000, the population was 47. In 2006, it was 77. Let y be the populatiion and x be the year using 0 for the year 2000. Write an equation representing this relationship. Estimate the population in 2018. Any advise is great appreciated! Click here to see answer by mananth(12270)

 Question 360594: Show how you would solve the following systems of equations: x + Y + Z = 6 2X – Y + 3Z = 8 3X – 2Y – Z = -17 Click here to see answer by Alan3354(30993)

 Question 360764: Solve the following system of equations. (this means – find the value for X and the value for Y - they should be the SAME for each equation!)You may use the elimination or substitution method: x – y = 1 2x – y = 5 Click here to see answer by jim_thompson5910(28598)

 Question 360758: Solve 2[g(t)] if g(x) = x squared - 2x Click here to see answer by stanbon(57387)

 Question 361018: How can i solve this using Gaussian elimination method? x+y+z=4 2x-y+3z=4 4x+2y-z=-15 Click here to see answer by Edwin McCravy(8909)

 Question 361788: i need help with this problem i dont know how to solve it. The topic is System of equation 2x-3y=16 y=2/3x-4 Click here to see answer by Fombitz(13828)

 Question 361785: I want to solve the following linear equation. 3(x-7)-2(x-5)=x-11 Click here to see answer by fractalier(2101)

 Question 361831: Solve −9 + 24 ÷ ( −6) the steps on how It's done. Click here to see answer by edjones(7569)

 Question 361734: An algebra teacher drove by a farmyard full of chickens and pigs. The teacher happened to notice that there were a total of 100 heads and 270 legs. How many chickens were there? how many pigs were there? Click here to see answer by robertb(4012)