Register

Solve the system of equations using substitution. 3x + 2y = 7 y = –3x + 11 A. The ordered pair, negative 4, nineteen halves. B. (6, –7) C. (6, –3) D. (5, –4)

Solve the system of equations using substitution. 3x + 2y = 7 y = –3x + 11 A. The ordered pair, negative 4, nineteen halves. B. (6, –7) C. (6, –3) D. (5, –4)
asked 61.5k views
1 vote
Solve the system of equations using substitution. 3x + 2y = 7 y = –3x + 11

A. The ordered pair, negative 4, nineteen halves.

B. (6, –7)

C. (6, –3)

D. (5, –4)

asked
User Thomas Hunziker
by
8.0k points

1 Answer

4 votes
3x + 2y = 7
y = –3x + 11

replace y = –3x + 11 into 3x + 2y = 7

3x + 2y = 7
3x + 2(–3x + 11) = 7
3x -6x + 22 = 7
-3x = 7 - 22
-3x = -15
x = 5

y = –3x + 11
y = -3(5) + 11
y = -15 + 11
y = -4

x = 5 and y = -4

answer: D. (5, –4)
answered
User Tropicalista
by
8.2k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
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?
Link Copied!