Mathematics, 18.06.2021 01:00 sonyfan

Can someone please help explain the steps? I'm having a hard time understanding the other answers to this question. y = −2x + 8
y = x − 1

Explain how you will solve the pair of equations by substitution. Show all the steps and write the solution in (x, y) form.

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Can someone please help explain the steps? I'm having a hard time understanding the other answers to...