2x-y=4 then 6x-3y=?

Answer Posted / rahul

2x-y=4------>(1)
multiply both sides with 3
3(2x-y)=3*4
6x-3y=12

answer::12

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What number should be added to or subtracted from each term of the ratio 17 : 24 so that it becomes equal to 1 : 2.

706


If 20 men take 15 days to to complete a job, in how many days can 25 men finish that work?

1100


The price of coffee increases by 20%, how much percent consumption of coffee should be reduced by Reema so that the expenditure on coffee remains the same.

667


USA + USSR = PEACE ; P + E + A + C + E = ?

1172


A bus started from bustand at 8.00am, and after staying for 30 minutes at a destination, it returned back to the busstand. The destination is 27 miles from the busstand. The speed of the bus is 18mph. During the return journey bus travels with 50% faster speed.At what time does it return to the busstand?

719






The ratio of the number of boys and girls in a school is 3:2 Out of these 10% the boys and 25% of girls are scholarship holders. % of students who are not scholarship holders.?

794


Light glows for every 13 seconds . How many times did it glow between 1:57:58 and 3:20:47 am.

1624


In a class there are 45 pupil, out of them 12 are in debate only and 22 in singing only. Then how many in both?

1043


Dinesh is seated 7 from the left and satish is seated 12 from the right. when they interchange their positions, dinesh is seated 22nd from the left. How many people are there?

797


What percent of 60 is 12?

804


The distance b/w 2 places is 1000 miles and a man has a camel which eats an apple/mile. He has 3000 apples and want to transport from one to another. Camel can take 1000 apples at a time. when reaching the destination how many apples will be with him?

773


Find the correct meaning of the following phrase: To bite the dust

670


if on a salary of rs."S" per month,one has to pay one tax of x rs. And a second type of tax of y rs then % of salary taken home is?

700


The ratio of no. of boys & girls in a school is 3:2 Out of these what % the boys & 25% of girls are scholarship holders. % of students who are not scholarship holders.?

708


At six o'clock the wall clock struck 6 times . Checking with my watch , I noticed that the time between the first & last strokes was 30 seconds . How long will the clock take to stike 12 at mid night

1056