Ask Question
11 October, 02:04

X = 3y

3x - 5y = 12

substitution

+5
Answers (1)
  1. 11 October, 02:24
    0
    x = 9 y = 3 (9,3)

    Step-by-step explanation:

    3x - 5y = 12

    3 (3y) - 5y = 12

    9y - 5y = 12

    4y = 12

    4y/4 = 12/4

    y = 3

    x = 3 (3)

    x = 9

    CHECK:

    3 (9) - 5 (3) = 12

    27 - 15 = 12

    12 = 12
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “X = 3y 3x - 5y = 12 substitution ...” 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