Sign In
Ask Question
Mathematics
Rene Lloyd
17 November, 07:12
18x-16y=-312 78x-16y=408
+5
Answers (
1
)
Ava Branch
17 November, 09:13
0
Elimination
multiply first equation by - 1 and add to 2nd
-18x+16y=312
78x-16y=408 +
60x+0y=720
60x=720
divide both sides by 60
x=12
sub back
18x-16y=-312
18 (12) - 16y=-312
216-16y=-312
-16y=-528
divide both sides by - 16
y=33
x=12
y=33
(x, y)
(12,33)
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Get an answer to your question ✅
“18x-16y=-312 78x-16y=408 ...”
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
What is the vertex for y=4 (x-1) (x-7)
Answers (1)
Explain why 0.25x0.4 has only one decimal place in the product.
Answers (1)
Charlie wants to simulate a random selection from a large population of 40% males and 60% females. How could he use slips of paper for the simulation? A) Cut 5 equal-sized slips of paper, 2 for males and 3 for females.
Answers (2)
The world record for the women's 3,000-m steeplechase is 9 min 1.59 s. Find the runner's speed in meters per second. Round answer to the nearest hundredths.
Answers (1)
Use absolute value to express the distance between - 10 and 16 on the number line.
Answers (1)
New Questions in Mathematics
Can 4x+9x+5 be simplified
Answers (1)
Round off 0.043 to one significant figure
Answers (1)
There are fifty people in line for tickets to the Royal Rumble. Each time a fan buys a ticket, you skip two places in line. How many fans will buy tickets before you do?
Answers (1)
What is 1/3 plus 1/3
Answers (2)
How to know if something is a right triangle with slope formula?
Answers (1)
Home
»
Mathematics
» 18x-16y=-312 78x-16y=408
Sign In
Sign Up
Forgot Password?