Ask Question
28 April, 03:25

Y=x+5

4x+y=20

Solving system by substitution

+4
Answers (1)
  1. 28 April, 05:45
    0
    Y = x + 5 ... so we sub in x + 5 for y in the other equation

    4x + y = 20

    4x + x + 5 = 20

    5x + 5 = 20

    5x = 20 - 5

    5x = 15

    x = 15/5

    x = 3

    y = x + 5

    y = 3 + 5

    y = 8

    solution is (3,8)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Y=x+5 4x+y=20 Solving system by substitution ...” 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