isabella148 isabella148

07-12-2020
Mathematics

contestada

x - y = -2
7x + 2y = -5
Solve using substitution method

Respuesta :

sophiemyl sophiemyl

07-12-2020

Step-by-step explanation:

x=-2+y

7(-2+y)+2y=-5

-14+7y+2y=-5

9y=9

y=1

x=-2+1

x=-1

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