D.) no solution
Step-by-step explanation:
x=4+2y
-3(4+2y)+6y=12
-12-6y+6y=12
-12+0=12
Therefore, no solution
I hope this helped and have a good rest of your day!
-14
step-by-step explanation:
2x2 – 2(x+4)
=2x2-2(5+4)
=4-2×9
=4-18
=-14