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Mathematics 20 Online
OpenStudy (anonymous):

Use addition or substitution to find the value of x for this set of equations. x + y = 14 x = 6y

OpenStudy (anonymous):

6y+y=14 7y=14 y=2 x=6y x=6.2 x=12

OpenStudy (anonymous):

You can multiply the fist equaton by 6. So the 6 y in both equation gets cancelled. So 7 x=84 thus x=12 and y=2

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