ernest4634 ernest4634

07-10-2017
Mathematics

contestada

2x+y=6
y=6-2x

Substitution method

Respuesta :

ruhibreddy ruhibreddy

07-10-2017

We can put in 6 - 2x for y:

2x + y = 6
2x +(6 - 2x) = 6
2x + 6 - 2x = 6
6 = 6

Since this statement is true:
x and y are all real numbers.

Hope this helps!

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