Answer:
Find a common prime factor in each of these pairs of numbers
a.21 and 411
7x+2=23
Move 2 to the other side
7x=23-2
7x=21
To isolate the x divide both sides by 7
x=3
To check plug the value of x back in
7(3)+2=23
21+2=23
23=23
Answer:
Easy Science
Step-by-step explanation:
That is easy science Duh...Also just use your phone to see the weather in those places and use your calculator i think by subtracting it
Its a type of thermal expansion and described by fractions that represents the fractional increase length of a thin beam of a material exposed to its temperature increase of one degree celcious,"
Your question is very vague, there is no multiple choice answers, your question lacks basically everything.
-2+(-2=4?