The answer is 20
Hope this helps
Answer:
-3+15i
Step-by-step explanation:
Apply complex arithmetic rule: 

-3 * 3 -3 (-2) = -3

Answer: here you go
Step-by-step explanation:
A) 2x + 4y = 14
B) 4x + y = 20
If you multiply equation A by -2, then when the equations are added, the x will be eliminated.
The solutions are:
X = 4.714285714285714
Y = 1.1428571428571428