Answer:
x = 0 y = 2
Step-by-step explanation:
4x + 2 = -2x + 2
6x + 2 = 2
6x = 0
x = 0
y = 4(0) + 2
y = 2
It is valid by the Law of Syllogism
Fist choice.
X-1 + x + x+1 = 42
3x = 42
x = 14
the numbers are 13 14 and 15
It could possible be either 21 or 23