Register
Solve the system by substitution. -3x-4y=11 y=2x
26.8k views
0 votes
Solve the system by substitution.

-3x-4y=11

y=2x

User StockBreak
by
5.3k points

2 Answers

5 votes

Answer:(-1,-2)

Explanation:

User Yossis
by
5.0k points
2 votes

Answer:

x = -1, y = -2

Explanation:

-3x-4y=11

y=2x

Plug in 2x for y:

-3x-4(2x)=11

-3x-8x = 11

-11x = 11

x =-1

Plug in x in y = 2x

y = 2(-1)

y = -2

User Gavin Brock
by
5.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.8m questions

7.5m answers

Other Questions

Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Find the quotient of 3,078 ÷ 27. A) 104 B) 109 C) 114 D) 119
Can someone help me with 5??? ASAP?
Link Copied!