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Answer:
E = mc^2. It's the world's most famous equation, but what does it really mean? "Energy equals mass times the speed of light squared." On the most basic level, the equation says that energy and mass (matter) are interchangeable; they are different forms of the same thing.
Step-by-step explanation:
E = energy
m = mass
c = the speed of light
Step-by-step explanation:
-21x+210=336
-21x= 336-210
-21x=126
x=-126/21
x=-6
Answer:
Step-by-step explanation:
Given
Required
Apply distributive property
We have:
Factor out 6 (to apply distributive property)
Hence, the equivalent is:
Answer:
13 = x
Step-by-step explanation:
= 
6x + 42 = 8x + 16
42 = 2x + 16
= 
13 = x
