Sign In
Ask Question
Mathematics
Amiah Haynes
15 May, 19:35
X+3y=15 and 4x+2y=30
+4
Answers (
1
)
Damian Pena
15 May, 20:55
0
Subsitution
minus 3y from both sides in the first equatio
x=15-3y
subsitute 15-3y for x in other equation
4 (15-3y) + 2y=30
60-12y+2y=30
60-10y=30
minus 60 both sides
-10y=-30
divide both sides by - 10
y=3
sub back
x=15-3y
x=15-3 (3)
x=15-9
x=6
(x, y)
(6,3)
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Get an answer to your question ✅
“X+3y=15 and 4x+2y=30 ...”
in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
If f (t) = 3t^2+11 find f (7)
Answers (2)
Determine the correct scientific notation of the number 0.000005304
Answers (1)
What si the simplest form of - 17/4
Answers (1)
Kristy is making a rectangular quilt. The length of the quilt is twice longer than it's width. If the perimeter of the quilt is to be 36 feet, what will be it's width? A. 4ft B. 5ft C. 6ft D. 10ft
Answers (1)
What is the equation of the line that is parallel to the given line and has an x-intercept of - 3? y = 2/3 x + 3 y = 2/3x + 2 y = - 3/2x + 3 y = - 2/3x + 2
Answers (1)
New Questions in Mathematics
Sea turtles are among the most ancient creatures on Earth. There are seven species of them today and they all have existed for 110 million years (since dinosaurs roamed on the planet!) Sea turtles eat a wide range of animals and plants.
Answers (1)
Dana and Monique are Monique's workday is 8 hours. Dana and Monique each work 40 hours per week. dog groomers. Dana's workday is 10 hours and On Monday, Dana groomed 15 dogs in 10 hours and Monique groomed 10 dogs in 8 hours. They each earn $12.
Answers (1)
Round 765.09 to the nearest tenth
Answers (2)
What is 3 3/5 - 4 1/2
Answers (2)
What is the 22nd digt of pi
Answers (2)
Home
»
Mathematics
» X+3y=15 and 4x+2y=30
Sign In
Sign Up
Forgot Password?