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How to solve this using substitution. Y=3x and x+y=4
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Jul 25, 2018
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How to solve this using substitution. Y=3x and x+y=4
Mathematics
high-school
Alireza Yazdandoost
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Alireza Yazdandoost
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plug 3x into the second equation and solve for x. then plug x into the first equation to solve for y.
Seif Hatem
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Jul 26, 2018
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Seif Hatem
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x+3x=4
4x=4
x=1
y means 3x so 3 times1
y will be 3
Bilal Mustafa
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Jul 28, 2018
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Bilal Mustafa
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