meredithmissy meredithmissy

10-04-2017
Mathematics

contestada

What is the value of x in the following system
y= 3x-5
6x+3y=15

Respuesta :

apologiabiology apologiabiology

10-04-2017

subsitte 3x-5 for y in 2nd equation
6x+3(3x-5)=15
6x+9x-15=15
15x-15=15
add 15 both sides
15x=30
divide both sides by 15
x=2

Answer Link

friedalafiesta friedalafiesta

10-04-2017

Here is the answer with work:

Ver imagen friedalafiesta

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