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Solve the following system y= x+ 3 3x +y = 19
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Solve the following system y= x+ 3 3x +y = 19
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Jan 6, 2018
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Solve the following system y= x+ 3 3x +y = 19
Mathematics
high-school
CharybdeBE
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Answer:
4,7
Explanation:
Took the exam and got it corrrrrrect
Danben
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Jan 8, 2018
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Danben
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3x+y=19
y=19-3x and y=x+3, at a solution both x and y are equal so we can say y=y:
19-3x=x+3
19-4x=3
-4x=-16
x=4, and since y=x+3
y=7 so the solution is the point:
(4,7)
Ashley Briscoe
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Jan 12, 2018
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Ashley Briscoe
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