Tavonyafranklin17 Tavonyafranklin17

10-09-2019
Mathematics

contestada

x+y+z = 4
x+2y - Z = 3
x - у = -4

Respuesta :

mani82ebra mani82ebra

10-09-2019

Step-by-step explanation:

x+y=-4+2y

2x+3y=7

3x+2y=3

5(x+y)=10

x+y=2

y=3✓

x=-1✓

z=2✓

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