Ask
your own question, for FREE!

Mathematics

OpenStudy (anonymous):

2x+4y=-6 x-3y=-7

7 years ago
OpenStudy (anonymous):

what do you need to do?

7 years ago
OpenStudy (anonymous):

Substitution

7 years ago
OpenStudy (anonymous):

okay here we go :)

7 years ago
OpenStudy (anonymous):

x=3y-7 2(3y-7)+4y=-6 -14+6y+4y=-6 10y=8 y=0.8 x=3(0.8)-7 x=2.4-7 x=-4.6

7 years ago
OpenStudy (anonymous):

Thanks. I'm going to take a look at this so I can see what you did

7 years ago
OpenStudy (anonymous):

ok: 2x+4y=-6 2x=-6-4y ( by transposing 4y to RHS ) 2x/2=(-6-4y)/2 x=(-6-4y)/2 NOW PUTTING THE VALUE OF x in the equation no. 2 : x-3y=-7 (-6-4y)/2-3y=-7 (-6-4y-6y)/2=-7 -12y-4=-14 transposing -4 to RHS -12y=-14+4 -12y=-10 y=-10/-12 y=5/6

7 years ago
Can't find your answer?
Make a FREE account and ask your own question, OR you can help others and earn volunteer hours!

Latest Questions

bammbiii5:
The equation of the linear regression line represents the relationship between the number of minutes a person can run, x, and the number of laps a person ca

32 minutes ago
1 Reply
0 Medals

Janhsey:
Which student wrote the correct expression? Tanya Wyatt Xavier Yang

2 hours ago
0 Replies
0 Medals

AllisonKookie:
An architect drew the blueprint for a new office building. He used a scale in which 1 inch represents 7.

7 hours ago
0 Replies
0 Medals

AllisonKookie:
Samuel's Middle School had a Week of Giving charity drive. The table below shows the number of participants per day.

8 hours ago
4 Replies
1 Medal

dacoya5:
High erosion rates in Madagascar are caused primarily by __________.

8 hours ago
1 Reply
0 Medals

Ferredoxin:
Need help on some Adobe Dreamweaver questions: 1. What major tools does Dreamweaver automatically incorporate? 2.

1 hour ago
3 Replies
0 Medals

AllisonKookie:
A shirt originally cost $47.47, but it is on sale for $35.60. What is the percentage decrease of the price of the shirt? If necessary, round to the nearest

9 hours ago
2 Replies
0 Medals

AllisonKookie:
Adele is driving her car near the Tri-State area. She covers a distance of 221.05 miles in 4 hours.

9 hours ago
2 Replies
1 Medal

AllisonKookie:
Bueno Mart has a distribution warehouse in Arizona that services their stores in the southwest part of the country.

9 hours ago
3 Replies
1 Medal