tashiaboo22 tashiaboo22

04-09-2019
Mathematics

contestada

Given the system of equations.
4x + y=8
6x - 9y=12

Which of the options represents the resulting equation after an equivalent expression for y is substituted into the second equation?

Respuesta :

meredith48034 meredith48034

04-09-2019

Answer:

4x + y = 8

6x - 9y = 12

36x + 9y = 72

6x. - 9y = 12

42x = 84

x = 2

4(2) + y = 8

8 + y = 8

y = 0

(2,0) is the answer

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