Solve the system by substitution -x+y=7 x-y=-7

Question

Solve the system by substitution
-x+y=7
x-y=-7

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Amity 4 years 2021-08-12T19:53:51+00:00 1 Answers 7 views 0

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  1. Dau
    0
    2021-08-12T19:55:16+00:00
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    Answer:

    Addition Method To Solve The System Xm Se The Substitution Method To Solve The System Ne Substitution Method To Solve The System 4x + Y = 7 6 Xy 17 …

    Step-by-step explanation:

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