Sign In
Ask Question
Kaden
Mathematics
2 March, 15:22
Solve for x.
- 3x + 8y = 5
6x - 2y = 10
+1
Answers (
1
)
Isiah Sweeney
2 March, 15:36
0
Let us solve this system by substitution.
-3x + 8y = 5
6x - 2y = 10
According to equation 2,
6x - 2y = 10
6x = 10 + 2y
thus, x = 10 + 2y / 6
substituting the value of x in equation 1,
-3 (10 + 2y / 6) + 8y = 5
-30 - 6y + 8y = 5 x 6 = 30
-30 + 2y = 30
2y = 60
Thus, y = 30.
Substituting the value of y in equation 2,
6x - 2y = 10
6x - 2 (30) = 10
6x - 60 = 10
6x = 70.
Thus, x = 70/6.
Thus, x = 70 / 6 (and y = 30)
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Find an answer to your question 👍
“Solve for x. - 3x + 8y = 5 6x - 2y = 10 ...”
in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
Sharon is taking a bus from Baltimore, Maryland, to Washington D. C. If the distance is 40 miles and the estimated time of travel is 1 hour, what is the average rate at which the bus travels? (Hint: Use the formula d = rt.
Answers (1)
Josie graphed a like with the same slope as y=3x, but that intercepted the y-axis 6 units above y = 3x. What is the equation of the line Josie graphed? A) y = 3x + 6 B) y = 6x C) y = 9x D) y = 9x + 6
Answers (1)
To buy a truck you can pay $14,000 cash or put down $5000 and make 24 monthly payments of $551.09. how much would you save by paying cash (to the nearest hundredth) ?
Answers (1)
What fraction of a pound is 35 pence
Answers (2)
16, 10, - 20, - 1, 14 what is the order least to greatest
Answers (2)
New Questions in Mathematics
Factor out the greatest common factor from the polynomial 9x-27y+9=
Answers (2)
What strategy would use to divide 36 by 6 explain why you chose that strategy
Answers (2)
At a concert 5/9 of the people in line are girls. 2/3 are wearing glasses, what fraction of the people are wearing glasses?
Answers (1)
A vine is 5 inches long. The vine will grow 2 inches a week. Which function represents the length of the vine after n weeks?
Answers (1)
What characteristics are true for all linear, exponential and quadratic functions A The range of the function is all real numbers, B The graph of the function has no intercepts c) The graph of the function is always increasing D) The domain of the
Answers (1)
Home
»
Mathematics
» Solve for x. - 3x + 8y = 5 6x - 2y = 10
Sign In
Sign Up
Forgot Password?