Ask Question
13 June, 08:49

Y=-5x and 21x-7y=28 using substation method

+3
Answers (1)
  1. 13 June, 09:00
    0
    21x - 7 (-5x) = 28

    21x + 35x = 28

    56x=28

    56 = 56

    x =.5 or 1/2
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Y=-5x and 21x-7y=28 using substation 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