Ask Question
1 April, 14:25

2x - 3y = - 4 if x + 3y = 7

+2
Answers (1)
  1. 1 April, 15:26
    0
    Leave x alone on one side.

    x = 7 - 3y

    Substitute into equation

    2 (7 - 3y) - 3y = - 4

    Distribute

    14 - 6y - 3y = - 4

    Solve

    14 - 9y = - 4

    14 + 4 = 9y

    18 = 9y

    y = 18/9

    y = 2

    x = 1
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “2x - 3y = - 4 if x + 3y = 7 ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers