Question

Which value of x satisfies both 3x + y = 9 and 3x − 5y = 15?

Answer 1

@g17

Answer 2

3x+y=9
y=9-3x
put this value in other equation

Answer 3

3x-5(9-3x)=15
3x-45+15x=15
18x=15+45=60
x=60/18=10/3

Answer 4

y=9-3*10/3=9-10=-1

Answer 5

x=10/3 satisfy

Answer 6

thanks