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04-11-2016
Mathematics

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2x+3y=14 and 3x-4y=4

Respuesta :

04-11-2016

2x + 3y = 14
2x = 14 - 3y
x = 7 - 3/2y

3(7 - 3/2y) - 4y = 4
21 - 9/2y - 4y = 4
17/2y = 17
y = 2

x = 7 - 3/2(2)
x = 7 - 3
x = 4

i am a mathematics teacher. if anything to ask please pm me

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