LeninOlivares LeninOlivares

27-04-2021
Mathematics

contestada

x + y = 7
5x - 2y = -7

Respuesta :

ThandieSwanepoel ThandieSwanepoel

27-04-2021

Answer:

x=1 y=6

Step-by-step explanation:

make equation 3 from equation 1

substitute equation 3 from 2

find x or y from equation 3

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