Question 131768
Y=x+3
Y=2x+4

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Substitute to solve for "x":
x+3 = 2x+4
Subtract x from both sides.
Subtract 4 from both sides.
x = -1
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Substitute to solve for "y":
y = -1+3 = 2
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Solution: (-1,2)
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Cheers,
Stan H.