lakimbria01 lakimbria01

16-11-2018
Mathematics

contestada

Solve the system of equations by substitution.

2x + y = 3z
x + y = 6z

What is the value for y from the first equation, that could be substituted into the second equation?

A. -2x +3z
B. 3z + 2x
C. -2x - 3z
D. 2x + 3z

Respuesta :

christine7899 christine7899

16-11-2018

Answer is A using only the first equation

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