I'm guessing you meant the sum of a number AND 6? If so:
x+6=y or just x+6
x is a variable for "a number" and you add 6 to it. The y on the other side of the equals sign is because the sum (number you get when adding) is unknown due to the value of the x variable being unknown.
Answer:
2.98
Step-by-step explanation:
I think it’s b 7 1/2 will need to be divided by 2 to find x
The correct expansion of
is 
Step-by-step explanation:
We need to expand the expression:

Solving the expression:


So, the correct expansion of
is 
Keywords: Expansion of terms
Learn more about expansion of words:
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Answer:
x = 30
Step-by-step explanation:
Given
+ 8 = 23 ( subtract 8 from both sides )
= 15
Multiply both sides by 2 to clear the fraction
x = 15 × 2 = 30