kidawsome74 kidawsome74

17-12-2021
Mathematics

contestada

Find the solution of the system of equations.
3x – 3y = 18
3x – 8y = -2

Respuesta :

olivethang9 olivethang9

18-12-2021

Answer:

x=10, y=4

Step-by-step explanation:

3x-3y=18

(-)3x-(-)8y=-(-)2 -3x+8y=2 add to first equation to eliminate x

5y=20

y=4

substitute y with 4

3x-3(4)=18

3x=30

x=10

x=10,y=4

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