briannaweidenha briannaweidenha

21-03-2014
Mathematics

contestada

How many solutions does the system 2y=10x-14 and 5x-y=7 have? need worked out step by step please!

Respuesta :

a630061087 a630061087

21-03-2014

these 2 equations are actually the same,
hope u can understand.

Ver imagen a630061087

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deathstrike001 deathstrike001

21-03-2014

2y=10x-14
5x-y=7

Divide both sides by 2 in the 1st equation
y=5x-7
Now substitute is to 2nd equation
5x-5x+7=7
0=0

Therefore there is no solution or it is inconsistent

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