Use Keep, Change, Flip
Can I have brainliest!:)
Answer:
I got you
Step-by-step explanation:
2 time 5 times 2 is 20. This minus 2 times 5 is 10 plus 3 is 13.
Answer:

Step-by-step explanation:
We need to find union of given sets
and 
We know by definition that union of two given sets say A and B is set C with all the unique and common values given in set A and B.
∴
∪
= 
Answer:
The proposed equation is solved as follows:
2X + 7 = 21
2X = 21 - 7
2X = 14
X = 14 / 2
X = 7
The value of X is 7.
A first degree equation is an algebraic equation in which each term is either a constant or a product of a fixed term on a single variable. Therefore, this equation is a first degree one, since it only has a single variable, which is X.
Pretty sure the answer is d brodie