Answer:

Step-by-step explanation:

Simplified becomes;

Simplifying further gives; 
Answer: x=-2, y=2
Step-by-step explanation:
(SUBSTITUTION)
= 4x+4-x=2
x=-2
3y=4 x (-2)
y= 2
The Multiplication Property of Zero.
It states "the product of any number and zero is zero". Even if there are more than one multiplier - it is still 0.
So 5 x 0 = 0
100 x 0 = 0
41 x 0 x 3 = 0
etc.
Answer:
x=12.5
Step-by-step explanation:
0.7x times (-1.4)=-3.5
-0.28x=-3.5 (divide both sides)
Ans:12.5
You would have to solve this by Lxwxh.
25.4*19.05*76.2= 36870.89 centimeters
1 in= 2.54 centimeters
36870.89 centimeters*1 in/2.54 centimeters= 14516.09843 inches.
I hope this is helpful :)