sheshla
sheshla
02-09-2020
Mathematics
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solve by substitution y=2x-1 y=3x+1
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tttiiinnnaaa
02-09-2020
Answer: x = -2
Step-by-Step Explanation:
Since the two expressions both equal y, you can set them equal to each other.
2x-1 = 3x+1
Subtract 2x from both sides.
-1 = x+1
Subtract 1 from both sides.
-2 = x
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