Evaluate - x - 4 when x = - 7 and y=5
1 answer:
Answer:
khan academy
Step-by-step explanation:
https://www.khanacademy.org/math/in-in-grade-9-ncert/xfd53e0255cd302f8:in-in-chapter-4-linear-equations-in-two-variables/xfd53e0255cd302f8:in-in-graph-of-a-linear-equation-in-two-variables/v/graphs-of-linear-equations
hope this helps
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