Answer:
90
Step-by-step explanation:
90
Multiply both sides of the second equation by 4. That will give you -4x in the second equation which when added to 4x of the first equation will eliminate x.
Second equation:
-x + 3y = 6
Multiply the second equation by 4 on both sides:
-4x + 12y = 26
Answer:
sorry I forgot try googling it
Answer:
I think it its
Step-by-step explanation:
C if its wrong sorry
9=n+3
Subtract 3 on each side
n=6