rashid7adil rashid7adil

28-06-2020
Mathematics

contestada

2x + 5y = 12
-2x + 3y = 4
In elimination method

Respuesta :

28-06-2020

So just add equation 1 and equation 2
You will get
2x-2x + 5y + 3y = 12 + 4
8y = 16
y = 16/8
y = 2
Substituting y in equation 1
2x + 5*2 = 12
2x + 10 = 12
2x = 12 - 10
x = 2/2
x = 1
=

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