Ask Question
25 June, 14:04

10. 10x + 5y = 15

y=2x-3

Substitution method

+5
Answers (1)
  1. 25 June, 14:27
    0
    x = 1.5

    y = 0

    Step-by-step explanation:

    10x + 5 (2x - 3) = 15

    10x + 10x - 15 = 15

    20x - 15 = 15

    20x = 30

    x = 1.5

    y = 2 (1.5) - 3

    y = 3 - 3

    y = 0

    Check:

    10 (1.5) + 5 (0) = 15

    15 + 5 (0) = 15

    15 + 0 = 15

    15 = 15
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “10. 10x + 5y = 15 y=2x-3 Substitution method ...” 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