emilio89 emilio89

04-12-2019
Mathematics

contestada

Solve the system of equations by substitution.
y = 5x - 13
4x + 3y = 18
The solution is

Respuesta :

jb417902 jb417902

04-12-2019

Answer:

x=3 and y=2

Step-by-step explanation:

1.) 4x+3(5x-13)=18

expand into 4x+15x-39=18

18+39= 57

15x+4x= 19x

57/19= 3 so x=3

substitute 3 into y= 5x - 13

and you get 2 so y=2

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