10-04-2020
Mathematics

contestada

Solve by Substitution

2x + y = 3
4x + 4y = 8

Respuesta :

rafailpopa rafailpopa

14-04-2020

Answer:

2x + y = 3 => y = 3-2x

then

4x+4(3-2x) = 8

4x+12-8x= 8

-4x = -4

x=1

y=3-2*1 = 1

Step-by-step explanation:

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