sethandoan sethandoan

23-02-2020
Mathematics

contestada

7x + 2y = 4
y=x+1
Solve the system of equations.
(1/3,4/3)
(2/9, 11/9)
no solution

Respuesta :

23-02-2020

Answer:

2/9, 11/9

Step-by-step explanation:

Y equals to X + 1

Substitute into the top equation

7x + 2(x+1) = 4

7x + 2x + 2 = 4

9x + 2 = 4

Minus the 2

9x = 2

X = 2/9

Y = x + 1

Y = 2/9 + 1

Y = 11/9

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