Solve the system by substitution x=y 6x-3y=30

Question

Solve the system by substitution

x=y

6x-3y=30

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Thành Đạt 6 months 2021-08-09T07:31:11+00:00 1 Answers 4 views 0

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  1. Bo
    0
    2021-08-09T07:32:20+00:00
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    Answer: (x, y) = (10, 10)

    Since x = y, replacing y with x in 6x – 3y = 30 we have 6x – 3x = 3x = 30, so x = 30/3 = 10. Then y = x = 10, so the solution is (10, 10).

    i hope this helps! 😀

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