wyrickfaith07 wyrickfaith07

15-04-2019
Mathematics

contestada

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

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choixongdong choixongdong

15-04-2019

Answer:

7x + 2y = 4

Step-by-step explanation:

7x + 2y = 4

y = x + 1

Substitute y = x + 1 into 7x + 2y = 4

7x + 2(x + 1) = 4

7x + 2x + 2 = 4

9x + 2 = 4

9x = 2

x = 2/9

y = 2/9 + 1

y = 2/9 + 9/9

y = 11/9

Answer

(2/9 , 11/9)

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