Ask Question
30 November, 13:59

How to use substitution for 4x+3y=13 and x+y=4

+2
Answers (1)
  1. 30 November, 14:13
    0
    A) 4x + 3y = 13

    B) x + y = 4

    B) x = 4 - y Then we substitute this into Equation A

    A) 4 (4-y) + 3y = 13

    A) 16 - 4y + 3y = 13

    A) - y = - 3

    y = 3

    x = 1
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “How to use substitution for 4x+3y=13 and x+y=4 ...” 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