Solve the following system of equations: 2x - y = 7
1 answer:
Answer:
Step-by-step explanation: Not too sure how to explain it this is how you simplify it pretty sure
2x-y=7
+2x +2x add to both sides to get y alone because it has no friends
___________
-y=7+2x get rid of the negative on the y value
__________
y= -2x -7
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