ericarosez2003 ericarosez2003

25-01-2019
Mathematics

contestada

a+4b=-4, a+10b=-16 linear equation

Respuesta :

drmaria drmaria

25-01-2019

Answer:

a=4, b = -2

Step-by-step explanation:

Use elimination: subtract two equations. you get -6b = 12, so b = -2. Substitute this into the first equation and get a -8 = -4, so a = 4

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