Question

What is the solution to the system x+y=10 3y=-3x+30

PLEASE helpppp

Answer 1

Explanation:

x+y=10

x=10-y

x=10-5

x=5

3y= -3x+30

3(10-y)= -3(10-y)+30

30-3y= -30+3y+30

30+30-30=6y

30=6y

y=5