Saso1312 Saso1312

14-02-2021
Mathematics

contestada

x+y=20
x-y=16
Substitution

Respuesta :

dhakalprity1 dhakalprity1

14-02-2021

Step-by-step explanation:

x+ y = 20

- x - y = 16

= 2y = 4

y = 2

put the value of y in any equation u like

x + y = 20

x + 2 = 20

x = 18

Answer Link

14-02-2021

Answer:

x+ y = 20

x - y = 16

= 2y = 20-16=4

y = 2

Applying the value:

x + y = 20

x + 2 = 20

x = 18

Answer Link

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