Hellppp meeeeeeee PLEASEEEEE:c.

Answer: Answer is -11.95
You can give the unknown value as x to make things easier
( x + 1.75 ) / 2 = -5.1
Find the value of x:
x + 1.75 = –5.1 x 2
x + 1.75 = -10.2
x = -10.2 – 1.75
x = -11.95
:)
Step-by-step explanation: