Answer:
C. 11
Step-by-step explanation:
Assuming the problem is 5x + (-2 * 2) with x equals 3.
5(3)+(-2*2)
15+(-4)=
15-4=11
Answer:
Step-by-step explanation:
Use substitution, y=3x+18 so -12x+4(3x+18)=-24. From here you can try to solve for x
-12x+12x+72=-24
The xs cancel, which leaves you with 72=-24
Since 72 cannot equal -24 there is no answer to this system of equations
Answer: ITS A! I HAVE THE SAME TEST!
Step-by-step explanation: