Ask Question
11 November, 21:53

How to solve this equation by elimination?

2x+5y=4 and 7x+y=-19

+5
Answers (1)
  1. 12 November, 00:56
    0
    Multiply 7x+y=-19 by 5 to have the same value of y. Then subtract one from the other.

    35x+5y=-95

    -

    2x+5y=4.

    You get a result of 33x=-99

    X=-3

    Substitute the x into one of the original equations.

    2*-3 + 5y = 4

    5y=4+6

    Y=2
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “How to solve this equation by elimination? 2x+5y=4 and 7x+y=-19 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers