Answer:the answer is A
Step-by-step explanation:
I know because i took the quiz and got it right
substitute the place of the X
Answer:z
Then variable is n
Variable is an alphabet that depend on number. Then the variable there is n
And the coefficient of the variable is 2
The coefficient is the number behind a variable
And the value of the variable is
2n-3=7
Add 3 to both sides
2n-3+3=7+3
2n=10
Divide both side by 2
2n/2=10/2
n=5
Step-by-step explanation:
Helo
your answer refer to the attachment