simultaneous equation

label Mathematics
account_circle Unassigned
schedule 1 Day
account_balance_wallet $5

3x  -  4y  =  10

5x  -  4y  =  14

write out solution, i will not "best" tutors that submit just the answer.  Thanks!

Feb 6th, 2015

3x  -  4y  =  10

5x  -  4y  =  14

when you subtract the second equation from the first,you will get

-2x+0=-4

-2x=-4

divide both sides by -2

x=2

when you replace x as two in the first equation,

3(2)-4y=10

6-4y=10

-4y=10-6

-4y=4

y=-1

Feb 6th, 2015

Did you know? You can earn $20 for every friend you invite to Studypool!
Click here to
Refer a Friend
...
Feb 6th, 2015
...
Feb 6th, 2015
Oct 23rd, 2017
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer