aversioso34 aversioso34

11-03-2020
Mathematics

contestada

x + y = 6
3x = y + 6

Using the two equations, solve for x.

A.
x = 3
B.
x = 8
C.
x = 6.5
D.
x = 7

Respuesta :

dannielle dannielle

12-03-2020

Answer:

i solve it by substitution

y=6- x

3x=6-x+6

3x=12-x

+x +x

4x=12

x=12/4

x=3

y=6-3

y=3

Step-by-step explanation:

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