Register

Theo solved the following problem correctly for homework. 2 x + y = 7. Negative 3 x + y = 2. What is the y-coordinate of his solution? y = negative 3 y = negative 1 y = 1 y = 5<…

Theo solved the following problem correctly for homework. 2 x + y = 7. Negative 3 x + y = 2. What is the y-coordinate of his solution? y = negative 3 y = negative 1 y = 1 y = 5<…
108k views
4 votes
Theo solved the following problem correctly for homework.

2 x + y = 7. Negative 3 x + y = 2.

What is the y-coordinate of his solution?
y = negative 3
y = negative 1
y = 1
y = 5

User Inu
by
8.8k points

1 Answer

1 vote

Answer:

y=5

Explanation:

OK, let see, 2x+y=7, –3x+y=2:


2x + y = 7 \\ - 3x + y = 2 \\ we \: need \: to \: solve \: the \: equation \: so \\ - 2x - y = - 7 \\ - 3x + y = 2 \\ - 5x = - 5 = = > x = 1 \\ 2(1) + y = 7 = = = > y = 5

User Waspinator
by
7.9k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!