-2x=4x+9 |-4x
-6x=9 |:(-6)
x=-1,5
Check:
-2*-1,5=4*-1,5+9
3=-6+9
3=3
True. Integers are whole numbers both positive and negative. Natural numbers are only whole positive numbers. So it is true whenever you are dealing with positive integers and it is false when you are dealing with negative integers.
5(7a + 4b)
Distributive property !
Answer:
(D) 2
Step-by-step explanation:
The scale factor of the enlargement of ΔABC to ΔA'B'C' is given by the ratio of the length of the corresponding sides of ΔA'B'C' and ΔABC
Therefore, we have;




Therefore, the scale factor = 2
The answer to this would be 80